AquamarineCO
Mount Antero
Mount Antero and Mount White in the Sawatch Range are legendary for aquamarine beryl crystals in granite pegmatites above 12,000 feet.
View detailsRockhounding sites in Colorado
430 rockhounding collecting destinations in Colorado.
Colorado rockhounding map
Interactive pins for coordinate-verified, indexable listings in Colorado. Click a marker for the full site page.
310 mapped sites shown · list continues below
How many rockhounding sites are in Colorado?
Use this page as your Colorado rockhounding map — Colorado has 430 rockhounding sites in our directory, including 23 quartz & crystals, 2 agate & jasper, 1 geodes, 3 gemstones, 94 fossils. Use rockhounding sites near me for live distance sorting or browse by city.
Colorado alpine pegmatites (Antero aquamarine, Lake George amazonite, Devils Head topaz) define summer collecting. We map 430 sites — most require July–September access after snowmelt and serious altitude prep.
National forests allow casual collecting within limits; claims and wilderness restrictions still apply. Start with lower-elevation Front Range spots if you are new to 12,000+ ft hikes.
Near major cities: Colorado Springs · Denver · Glenwood Springs
By specimen type: Quartz & Crystals (23) · Gemstones (3) · Fossils (94) · Gold & Minerals (92) · Other (213)
Popular regions: Colorado alpine gem collecting
Guides: Colorado rockhounding guide
Frequently asked questions
Where can I find rockhounding sites in Colorado?
Our Colorado rockhounding map lists 430 cataloged sites with GPS, fees, and specimen types at /states/colorado/. Filter by type or use near-me GPS sorting from your location.
Is there a Colorado rockhounding map?
Yes — the Colorado state hub at /states/colorado/ works as your rockhounding map with every listing, featured sites, and links to specimen-type subsets.
What can you find rockhounding in Colorado?
Specimens vary by region — browse the Colorado map for quartz, agate, geodes, fossils, and gems. Each listing notes primary targets and access rules.
What to pack for Colorado rockhounding trips
Compared day-trip gear for Colorado rockhounding sites — side-by-side tables for the hike in, sun, and sun, tools, and the approach hike.
Disclosure: Gear links may earn a commission as an Amazon Associate — at no extra cost to you. Learn more.
Popular rockhounding sites in Colorado
Most-searched spots — open each listing for directions, fees, and safety notes.
AmazoniteCO
Lake George Amazonite
Crystal Peak and the Lake George district produce vivid blue-green amazonite clusters with smoky quartz on Pikes Peak granite pegmatites.
View detailsTopazCO
Devils Head Topaz Area
Pegmatite outcrops on Devils Head in Douglas County yield topaz and smoky quartz crystals in miarolitic cavities along popular hiking trails.
View detailsTopazCO
Gold Hill Topaz Locality
Historic mining town west of Boulder sits amid pegmatite veins that have produced topaz and fluorite crystals for over a century.
View detailsAll 430 listings
FossilCO
11 Mi North Of Wellington
Fossil collection site in the Fox Hills, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
13 Mi North Of Wellington
Fossil collection site in the Fox Hills, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
4 Miles West Of Rio Blanco
Fossil collection site in the Green River, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
7d Tunnel
7d Tunnel is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsBerylCO
A & C Prospect
A & C Prospect is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Copper, Galena, Iron, Molybdenite.
View detailsBerylCO
Abandon Mine
Abandon Mine is a historic mining site in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsAzuriteCO
Ace High-jackpot Prospect
Ace High-Jackpot Prospect is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Iron, Malachite.
View details
GoldCO
Acme Placer
Acme Placer is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Adamic Cow Camp Workings
Adamic Cow Camp Workings is a mineral prospect in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Silver.
View detailsAzuriteCO
Adelaide Claim
Adelaide Claim is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Akney Mine
Akney Mine is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsMineralCO
Akron Victor Morning Star Mines
Akron Victor Morning Star Mines is a historic mining site in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsGoldCO
Alkayo Tunnel
Alkayo Tunnel is a known mineral occurrence in El Paso, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Allara Tunnel
Allara Tunnel is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Alum Creek
Alum Creek is a known mineral occurrence in Conejos, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Iron, Malachite.
View detailsAzuriteCO
Alum Creek Property
Alum Creek Property is a known mineral occurrence in Rio Grande, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Molybdenite.
View detailsFossilCO
Amnh 3325, Wildcat Mound
Fossil collection site in the Fox Hills, Weld County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View details
GemstoneCO
Aquamarine
Aquamarine is a documented rockhounding destination in CO. Collectors visit for gem crystals, beryl, tourmaline and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMineralCO
Arkansas River Placers District
Arkansas River Placers District is a historic mining site in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsBerylCO
Atlas Group
Atlas Group is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View details
AgateCO
Austin Bluffs
Austin Bluffs is a documented mineral occurrence near CO. Reported specimens include Agate, Carnelian, Chalcedony, Jasper. Verify land access and collecting rules before visiting.
View detailsFossilCO
Baca County Tracksite (dmnh)
Fossil collection site, Baca County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsSilverCO
Baer Tunnel
Baer Tunnel is a historic mining site in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsFossilCO
Bandimere Speedway Tracksite
Fossil collection site, Jefferson County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsGoldCO
Bank Claim
Bank Claim is a known mineral occurrence in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Battle Rock Mine
Battle Rock Mine is a known mineral occurrence in Montezuma, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsMineralCO
Beartown District
Beartown District is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsMineralCO
Belle Of The East Mine
Belle of the East Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsMineralCO
Belle Of The West Mine
Belle of the West Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsGoldCO
Belle Placer
Belle Placer is a historic mining site in Montezuma, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Berghof Lode
Berghof Lode is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsFossilCO
Berwind Tracksite
Fossil collection site in the Raton, Las Animas County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsBerylCO
Beryl Dike
Beryl Dike is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsBerylCO
Beryl No. 5
Beryl No. 5 is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsBerylCO
Big Boulder
Big Boulder is a historic mining site in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsMineralCO
Big Casino Mine
Big Casino Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsFossilCO
Big Creek Park
Fossil collection site in the ? Browns Park, Jackson County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsBerylCO
Big Dike Lode
Big Dike Lode is a historic mining site in Grand, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsFossilCO
Bijou Creek (usg&gs)
Fossil collection site in the Laramie, Adams County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsChromiteCO
Black King Mine
Black King Mine is a historic mining site in San Miguel, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Chromite, Cobalt, Copper, Galena, Gold, Molybdenite.
View detailsBerylCO
Black Prince Mine
Black Prince Mine is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Copper, Galena, Iron, Molybdenite.
View detailsSilverCO
Black Wonder
Black Wonder is a mineral prospect in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsGoldCO
Blue Eagle
Blue Eagle is a known mineral occurrence in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsGoldCO
Blue Jay Mine
Blue Jay Mine is a historic mining site in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFossilCO
Boulder Tracksite
Fossil collection site in the Muddy Sandstone, Boulder County, Colorado. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Bowling (dmnh Loc. 1738)
Fossil collection site in the Denver, Adams County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Brew Locality, Hinsdale County
Fossil collection site in the Elbert, Colorado. Environment: peritidal. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Broadbury Group
Broadbury Group is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsAzuriteCO
Brooklyn Mine
Brooklyn Mine is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Brush Creek Group
Brush Creek Group is a mineral prospect in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsAzuriteCO
C & K Drilling
C & K Drilling is a mineral prospect in San Miguel, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Calico Peak Alunite Deposit
Calico Peak Alunite Deposit is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Molybdenite.
View detailsFossilCO
Callison Quarry #1, Fpa
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: "floodplain". Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAmphiboleCO
Calumet Iron Mine
Calumet Iron Mine is a documented mineral occurrence near CO. Reported specimens include Amphibole, Chalcopyrite, Corundum, Epidote, Pyrite. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Campbell Tunnel And Shaft
Campbell Tunnel and Shaft is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Molybdenite.
View detailsGoldCO
Cap Smith Hill
Cap Smith Hill is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Caprock Deposit
Caprock deposit is a mineral prospect in Jackson, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Carson Mining Company Prospect
Carson Mining Company Prospect is a known mineral occurrence in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Sphalerite.
View detailsAzuriteCO
Cascade Mine
Cascade Mine is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Cash Mine
Cash Mine is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Castle Rock Springs Claim
Castle Rock Springs Claim is a known mineral occurrence in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite.
View detailsAlbiteCO
Cement Creek Rd.
Cement Creek Rd. is a documented mineral occurrence near CO. Reported specimens include Albite, Ankerite, Chlorite, Diopside, Epidote. Verify land access and collecting rules before visiting.
View detailsAquamarineCO
Centennial Cone
Centennial Cone is a documented mineral occurrence near CO. Reported specimens include Aquamarine, Bertrandite, Beryl, Smoky Quartz. Verify land access and collecting rules before visiting.
View detailsFossilCO
Chalk Bluffs
Fossil collection site in the White River, Weld County County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsSapphireCO
Chalk Creek Gravels
Chalk Creek gravels is a documented mineral occurrence near CO. Reported specimens include Sapphire. Verify land access and collecting rules before visiting.
View detailsMineralCO
Champion Shaft
Champion Shaft is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gemstones, Gold, Pyrolusite, Silver.
View detailsSilverCO
Chance #2
Chance #2 is a historic mining site in Mineral, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsAzuriteCO
Charlene No. 1 Claim
Charlene No. 1 Claim is a mineral prospect in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Wolframite.
View detailsFossilCO
Chatfield Site 1
Fossil collection site in the Muddy Sandstone, Jefferson County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsSilverCO
Checkmaker
Checkmaker is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsFossilCO
Cherryvale Tracksite
Fossil collection site in the Laramie, Boulder County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsBerylCO
China Wall Area
China Wall Area is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Copper, Galena, Iron, Molybdenite.
View detailsSilverCO
Cliff Shaft
Cliff Shaft is a historic mining site in Mineral, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsMolybdeniteCO
Collins
Collins is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Molybdenite.
View detailsAzuriteCO
Colorado Belle Mine
Colorado Belle Mine is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsMixedCO
Colorado School Of Mines - Geology Museum
Colorado School of Mines - Geology Museum is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsBerylCO
Comet Group
Comet Group is a historic mining site in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsMineralCO
Coming Wonder Emerald Mine
Coming Wonder Emerald Mine is a documented mineral site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsBismuthCO
Comstock Mine
Comstock Mine is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Bismuth, Copper, Galena, Gold, Silver, Sphalerite.
View detailsAmazoniteCO
Cook Mountain (southern Side)
Cook Mountain (southern side) is a documented mineral occurrence near CO. Reported specimens include Amazonite, Smoky Quartz, Topaz. Verify land access and collecting rules before visiting.
View detailsGoldCO
Copper Gulch
Copper Gulch is a documented mineral site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Copper Gulch Deposit
Copper Gulch Deposit is a known mineral occurrence in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Wolframite.
View detailsAzuriteCO
Copper Spur
Copper Spur is a mineral prospect in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Cowboy Johnson Adit
Cowboy Johnson Adit is a known mineral occurrence in Mineral, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsMineralCO
Crescent Mine
Crescent Mine is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Molybdenite, Silver, Sphalerite.
View detailsBerylCO
Crystal Mountain
Crystal Mountain is a documented mineral occurrence near CO. Reported specimens include Beryl, Bismutite, Fluorapatite, Muscovite, Autunite. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Cy Claims
Cy Claims is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsFossilCO
D3922. Pueblo 4 Nw
Fossil collection site in the Niobrara , Pueblo County, Colorado. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMixedCO
Dad And Me At The Garden Of The Gods In 2005
Dad and me at the Garden of the Gods in 2005 is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMineralCO
Daisy-hibernia Mine
Daisy-Hibernia Mine is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsSilverCO
Day Star
Day Star is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsFossilCO
Deadman Gulch, Golden
Fossil collection site in the Fox Hills, Jefferson County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsBerylCO
Debbie Doll
Debbie Doll is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsCassiteriteCO
Decatur West District
Decatur West District is a historic mining site in Conejos, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Cassiterite, Copper, Galena, Gold, Molybdenite, Silver.
View detailsAzuriteCO
Dee Stock
Dee Stock is a known mineral occurrence in Conejos, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Molybdenite.
View detailsGypsumCO
Deep Creek
Deep Creek is a historic mining site in Garfield, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gypsum.
View detailsAzuriteCO
Denver
Denver is a known mineral occurrence in Montrose, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsTopazCO
Devils Head Topaz Area
Pegmatite outcrops on Devils Head in Douglas County yield topaz and smoky quartz crystals in miarolitic cavities along popular hiking trails.
View detailsDiamondCO
Diamond Peak
Diamond Peak is a documented mineral occurrence near CO. Reported specimens include Diamond. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Difficult Creek District
Difficult Creek District is a known mineral occurrence in Pitkin, Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Pyrolusite.
View detailsMixedCO
Dino National Monument - Zoe & Bone
Dino National Monument - Zoe & Bone is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Dino National Monument - Zoe & Sign
Dino National Monument - Zoe & SIgn is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsFossilCO
Dino Ridge Quarry Article Smithsonian Morrison Quarry
Dino Ridge Quarry Article smithsonian morrison quarry is a documented rockhounding destination in CO. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Dino Ridge Tracksite
Dino Ridge Tracksite is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsFossilCO
Dmnh 1669, Hayden Mine No. 3
Fossil collection site, Routt County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Dominguez/jones Quarry
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: wet floodplain. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsGoldCO
Dry Gulch
Dry Gulch is a known mineral occurrence in Summit, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFossilCO
Dry Mesa Quarry [byu]
Fossil collection site in the Morrison, Montrose County, Colorado. Environment: "channel". Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFluoriteCO
Duffields
Duffields is a documented mineral site in El Paso, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Fluorite.
View detailsWolframiteCO
Dunmore
Dunmore is a historic mining site in Ouray, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Wolframite.
View detailsFossilCO
Eagle County, Sec. 1, T2s, R84w
Fossil collection site in the Minturn, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Eagle County, Sec. 16, T2s, R83w
Fossil collection site in the Minturn, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Eagle County, Sec. 5, T2s, R83w
Fossil collection site in the Minturn, Colorado. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Eagle County, Sec. 6, T2s, R83w
Fossil collection site in the Minturn, Colorado. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsBismuthCO
Eagle Mine
Eagle Mine is a historic mining site in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Bismuth, Copper, Galena, Gold, Pyrolusite, Silver.
View detailsAzuriteCO
Eagle Mountain
Eagle Mountain is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsFossilCO
East Creek Tracksite
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsGoldCO
Elco Placer
Elco Placer is a historic mining site in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Elizabeth Prospect
Elizabeth Prospect is a mineral prospect in Custer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Iron, Malachite.
View detailsSilverCO
Elkhorn Mine
Elkhorn Mine is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsAzuriteCO
Ella, Ella C, Crown, Justice
Ella, Ella C, Crown, Justice is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsGoldCO
Ensle Tunnel
Ensle Tunnel is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFossilCO
Eriksen Stegosaur, Fpa
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: coarse channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMineralCO
Esperanza Claims Group
Esperanza Claims Group is a historic mining site in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsAzuriteCO
Eureka
Eureka is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Molybdenite.
View detailsAzuriteCO
Evening Star
Evening Star is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsWolframiteCO
Fair One
Fair One is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Wolframite.
View detailsGoldCO
Fall Creek
Fall Creek is a historic mining site in Montezuma, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsMineralCO
Fanny Fern Mine
Fanny Fern Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsAzuriteCO
Farwell Mountain Northwest
Farwell Mountain Northwest is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Farwell Mtn.
Farwell Mtn. is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Molybdenite.
View detailsFeldsparCO
Fern Creek
Fern Creek is a historic mining site in Douglas, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar.
View detailsFossilCO
Fireclay Tracksite
Fossil collection site in the Muddy Sandstone, Jefferson County, Colorado. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Florissant Fossil Beds Nm
Florissant Fossil Beds NM is a documented rockhounding destination in CO. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsFossilCO
Florissant Mammal Bed
Fossil collection site in the Florissant, Teller County, Colorado. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Floyd Peak Adit
Floyd Peak Adit is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsGoldCO
Flume Creek
Flume Creek is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsMineralCO
Fools Paradise Number 1 And 2
Fools Paradise Number 1 and 2 is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsFossilCO
Forked Gulch, Green River
Fossil collection site in the Green River, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsGoldCO
Fortune Placer
Fortune Placer is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFossilCO
Fountain Formation
Fossil collection site in the Fountain, Fremont County, Colorado. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Fpa General Site (lacm)
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: "floodplain". Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsSilverCO
Free Coinage
Free Coinage is a mineral prospect in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsMineralCO
Gallic-vulcan Group
Gallic-Vulcan Group is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsMixedCO
Garden Of The Gods
Garden of the Gods is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMineralCO
Glacier Mine
Glacier Mine is a historic mining site in Conejos, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Molybdenite, Silver, Sphalerite.
View detailsAzuriteCO
Glennbrook Mine
Glennbrook Mine is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Golconda Mine
Golconda Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsMineralCO
Gold Anchor Mine
Gold Anchor Mine is a historic mining site in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Molybdenite, Silver, Sphalerite.
View detailsAzuriteCO
Gold Basin Area
Gold Basin area is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Gold Brick, Quartz Creek, Box Canyon District
Gold Brick, Quartz Creek, Box Canyon district is a historic mining site in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsMineralCO
Gold Bug Mine
Gold Bug Mine is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsMineralCO
Gold Dollar - Little Mack
Gold Dollar - Little Mack is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsAzuriteCO
Gold Eagle Mine
Gold Eagle Mine is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsTopazCO
Gold Hill Topaz Locality
Historic mining town west of Boulder sits amid pegmatite veins that have produced topaz and fluorite crystals for over a century.
View detailsAzuriteCO
Gold Hub
Gold Hub is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsMineralCO
Gold King
Gold King is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Wolframite.
View detailsGoldCO
Golden Rose
Golden Rose is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Gormax Mine
Gormax Mine is a known mineral occurrence in Mineral, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsGoldCO
Gracie I Fox
Gracie I Fox is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsMixedCO
Granada Flagpole
Granada Flagpole is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Great Sand Dunes
Great Sand Dunes is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsSilverCO
Great Western
Great Western is a mineral prospect in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsMineralCO
Green Mountain Falls District
Green Mountain Falls District is a historic mining site in El Paso, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Galena, Gold, Iron, Pyrolusite, Sphalerite.
View detailsFossilCO
Green River (usnm Collection)
Fossil collection site in the Green River, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsGoldCO
Greenback
Greenback is a known mineral occurrence in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Greenville Shaft
Greenville Shaft is a mineral prospect in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Grivitza,mountain Eagle
Grivitza,Mountain Eagle is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsAzuriteCO
Gunnison District
Gunnison District is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsGoldCO
Gunnison Gold Belt Mines
Gunnison Gold Belt Mines is a documented mineral occurrence near CO. Reported specimens include Gold, Copper minerals. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
H.h. Claims
H.H. Claims is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Hand-out
Hand-Out is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Molybdenite.
View detailsGoldCO
Happy Home
Happy Home is a documented mineral site in San Miguel, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsBismuthCO
Hawk Tunnel
Hawk Tunnel is a historic mining site in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Bismuth, Copper, Galena, Gold, Pyrolusite, Silver.
View detailsFossilCO
Haystack Cave (upper Levels 1-3)
Fossil collection site, Gunnison County, Colorado. Environment: cave. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Hazel Marie Group
Hazel Marie Group is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Beryl, Cassiterite, Chrysocolla, Copper, Galena.
View detailsFossilCO
Head Of Bear Gulch
Fossil collection site in the Green River, Mesa County, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
High Pointe Village
Fossil collection site in the Denver, Adams County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Highland And El Capitan Group
Highland and El Capitan group is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsWolframiteCO
Hillside
Hillside is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Wolframite.
View detailsAzuriteCO
Homestake Claim
Homestake Claim is a known mineral occurrence in Mineral, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Barite, Chrysocolla, Copper, Malachite, Silver.
View detailsAzuriteCO
Honeydew
Honeydew is a mineral prospect in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Hope Shaft
Hope Shaft is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Galena.
View detailsFossilCO
Horsetail Creek
Fossil collection site in the White River, Logan County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Howard Quarry
Fossil collection site in the Sangre de Cristo, Fremont County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMineralCO
Howes Gulch Mines
Howes Gulch Mines is a documented mineral occurrence near CO. Reported specimens include Chalcopyrite, Gold, Pyrite, Copper. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Hub Tunnels
Hub Tunnels is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Wolframite.
View detailsFossilCO
Hups Quarry, Mwc Loc. 197
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: "channel". Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsBerylCO
Hyatt Ranch
Hyatt Ranch is a historic mining site in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsAzuriteCO
Indian Springs Gulch Prospect
Indian Springs Gulch Prospect is a mineral prospect in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Silver.
View detailsSilverCO
Iowa Chief
Iowa Chief is a historic mining site in Pitkin, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsMolybdeniteCO
Irene
Irene is a known mineral occurrence in Ouray, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Molybdenite.
View detailsSilverCO
Iron Dollar
Iron Dollar is a mineral prospect in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsMineralCO
Iron Dyke
Iron Dyke is a historic mining site in Eagle, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Galena.
View detailsAzuriteCO
Iron King Mine
Iron King Mine is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Iron, Malachite, Molybdenite.
View detailsAzuriteCO
Iron Mine
Iron Mine is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Iron, Malachite, Pyrolusite.
View detailsAzuriteCO
Iron Mountain Prospect
Iron Mountain prospect is a mineral prospect in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
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Lapis LazuliCO
Italian Mountain
Italian Mountain is a documented mineral occurrence near CO. Reported specimens include Lapis Lazuli, Garnet. Verify land access and collecting rules before visiting.
View detailsSilverCO
Jack Park
Jack Park is a known mineral occurrence in Jackson, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsGoldCO
Jasper Mine
Jasper Mine is a historic mining site in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Jeanie No. 2 Claim
Jeanie No. 2 Claim is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsAzuriteCO
Jeanie No. 6 Claim
Jeanie No. 6 Claim is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsSilverCO
Jewell Group
Jewell Group is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsBismuthCO
Joe Wheeler Mine
Joe Wheeler Mine is a historic mining site in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Bismuth, Copper, Galena, Gold, Silver, Sphalerite.
View detailsAzuriteCO
Joker Mine
Joker Mine is a mineral prospect in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsSilverCO
Jumbo No. 3
Jumbo No. 3 is a historic mining site in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsMineralCO
Kankakee Mine
Kankakee Mine is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsMineralCO
Keystone Mine
Keystone Mine is a historic mining site in Custer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Iron, Silver, Sphalerite.
View detailsMicaCO
King
King is a documented mineral site in Mesa, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.
View detailsAzuriteCO
King Solomon Creek
King Solomon Creek is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Bismuth, Chrysocolla, Copper, Galena, Gold.
View detailsFossilCO
Kings View Quarry, Fruita
Fossil collection site in the Morrison, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Kirkland Egg Site, Fpa
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: "floodplain". Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Kittimac Mine
Kittimac Mine is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsAzuriteCO
La Plata
La Plata is a mineral prospect in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsMineralCO
Lady Eleanora Mine
Lady Eleanora Mine is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsGoldCO
Lady Stafford
Lady Stafford is a historic mining site in Montezuma, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAmazoniteCO
Lake George Amazonite
Crystal Peak and the Lake George district produce vivid blue-green amazonite clusters with smoky quartz on Pikes Peak granite pegmatites.
View detailsMineralCO
Lake View Claim
Lake View Claim is a historic mining site in Conejos, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Molybdenite, Silver, Sphalerite.
View detailsMixedCO
Lamar Pw Gas Station
Lamar PW Gas Station is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMicaCO
Langston Pit
Langston Pit is a historic mining site in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.
View detailsGoldCO
Last Chance
Last Chance is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsMineralCO
Last Chance #1, 2, Mexican Lode #1
Last Chance #1, 2, Mexican Lode #1 is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Galena, Gold, Pyrolusite, Silver, Sphalerite.
View detailsAzuriteCO
Last Dollar
Last Dollar is a mineral prospect in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Bismuth, Chrysocolla, Copper, Malachite, Silver.
View detailsAzuriteCO
Legal Tender
Legal Tender is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsFossilCO
Lesser's Brickyard, Boulder
Fossil collection site in the Pierre Shale, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMineralCO
Lexington Tunnel
Lexington Tunnel is a historic mining site in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Pyrolusite, Silver, Sphalerite.
View detailsAzuriteCO
Lilly Belle Mine
Lilly Belle Mine is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Molybdenite, Wolframite.
View detailsGoldCO
Lime Creek
Lime Creek is a documented mineral site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsMineralCO
Lincoln District
Lincoln District is a historic mining site in Gunnison, Pitkin, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Molybdenite, Pyrolusite, Silver.
View detailsFeldsparCO
Little Anna
Little Anna is a historic mining site in Douglas, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar.
View detailsFossilCO
Little Dry Creek
Fossil collection site in the Denver, Jefferson County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMineralCO
Little Giant Mine
Little Giant Mine is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsFeldsparCO
Little Joe
Little Joe is a historic mining site in Douglas, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar.
View detailsAzuriteCO
Little John Mine
Little John Mine is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Beryl, Cassiterite, Chrysocolla, Copper, Galena.
View detailsMineralCO
Little May Mine
Little May Mine is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsAzuriteCO
Little Silver
Little Silver is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Molybdenite.
View detailsAzuriteCO
Little Thelma Mine
Little Thelma Mine is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Littlejohn J And S
Littlejohn J and S is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Beryl, Cassiterite, Chrysocolla, Copper, Malachite.
View detailsAzuriteCO
Lower Slavonia
Lower Slavonia is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Lucretia Mine
Lucretia Mine is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Pyrolusite.
View detailsAzuriteCO
Lulu And Rufus Claims
Lulu and Rufus Claims is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsGoldCO
Lump Gulch
Lump Gulch is a known mineral occurrence in Gilpin, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
M & J Claim
M & J Claim is a known mineral occurrence in Pitkin, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsAzuriteCO
Magnet
Magnet is a mineral prospect in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Iron, Malachite, Sphalerite.
View detailsMolybdeniteCO
Mammoth
Mammoth is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Molybdenite.
View detailsGoldCO
Mancos View
Mancos View is a historic mining site in Montezuma, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFossilCO
Marsh Quarry - 1888 - At The Garden Park Fossil Area
Marsh Quarry - 1888 - at the Garden park Fossil Area is a documented rockhounding destination in CO. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsFossilCO
Martin Canyon Quarry A
Fossil collection site in the Pawnee Creek, Logan County, Colorado. Environment: "channel". Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsBerylCO
Mary Lee Mine
Mary Lee Mine is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Copper, Galena, Iron, Molybdenite.
View detailsFossilCO
Masonville Locality
Fossil collection site in the Morrison, Larimer County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
May Queen Mine
May Queen Mine is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite.
View detailsFossilCO
Mccoy (locality 1)
Fossil collection site in the Minturn, Eagle County, Colorado. Environment: open shallow subtidal. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Mcmillan Group
McMillan Group is a known mineral occurrence in Huerfano, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Bismuth, Chrysocolla, Copper, Gold, Malachite.
View detailsMixedCO
Me And Mom At Red Rocks In 2005
Me and mom at Red Rocks in 2005 is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Me At The Garden Of The Gods In 2005
Me at the Garden of the Gods in 2005 is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Mesa Verde Np
Mesa Verde NP is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsFluoriteCO
Mikes Adit
Mikes Adit is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Fluorite.
View detailsFeldsparCO
Miller Lode
Miller Lode is a historic mining site in Douglas, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar.
View detailsAzuriteCO
Minerva J Mine
Minerva J Mine is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Beryl, Cassiterite, Chrysocolla, Copper, Galena.
View detailsAzuriteCO
Minnesota Mine
Minnesota Mine is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsMineralCO
Minnie Lynch Mine
Minnie Lynch Mine is a historic mining site in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Pyrolusite, Silver, Sphalerite.
View detailsMineralCO
Missouri Favorite Mine
Missouri Favorite Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsMixedCO
Mom And Me Looking For Rocks In A Western Colorado Stream In 2004
Mom and me looking for rocks in a Western Colorado stream in 2004 is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMineralCO
Monte Cristo Gulch Deposits
Monte Cristo Gulch Deposits is a historic mining site in Summit, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Molybdenite, Sphalerite, Wolframite.
View detailsBismuthCO
Monte Queen Mine
Monte Queen Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Bismuth, Copper, Galena, Gold, Pyrolusite, Silver.
View detailsGoldCO
Morning Glory
Morning Glory is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Morning Glory Mines
Morning Glory Mines is a known mineral occurrence in Montrose, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Pyrolusite, Silver.
View detailsAzuriteCO
Morning Star Claims 1943
Morning Star Claims 1943 is a mineral prospect in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Sphalerite, Wolframite.
View detailsMineralCO
Moro Mine
Moro Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsAquamarineCO
Mount Antero
Mount Antero and Mount White in the Sawatch Range are legendary for aquamarine beryl crystals in granite pegmatites above 12,000 feet.
View detailsMixedCO
Mt. Antero, Colorado
Mt. Antero, Colorado is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsAzuriteCO
Mt. Vasquez, St. Louis, Milliken
Mt. Vasquez, St. Louis, Milliken is a known mineral occurrence in Grand, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsAzuriteCO
Mt. Zion
Mt. Zion is a known mineral occurrence in Lake, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Iron, Malachite.
View detailsMineralCO
Napoleon
Napoleon is a documented mineral site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper.
View detailsFossilCO
Near Glen Eyrie
Fossil collection site in the Manitou Limestone, El Paso County, Colorado. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Nettie
Nettie is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Silver, Sphalerite.
View detailsGypsumCO
Newman Hill
Newman Hill is a mineral prospect in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gypsum.
View detailsFossilCO
Ninaview Tracksite (dmnh)
Fossil collection site, Bent/Las Animas County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Northwest Of Ault
Fossil collection site in the Fox Hills Sandstone, Weld County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Northwest Pawnee Buttes
Fossil collection site in the Brule, Weld County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
O. F. Lode
O. F. Lode is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsGoldCO
Ohio-indiana
Ohio-Indiana is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
On Claims
On Claims is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsWolframiteCO
Oneonta
Oneonta is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Wolframite.
View detailsAzuriteCO
Orifena, Gaslight, Empire, Pennsylvania
Orifena, Gaslight, Empire, Pennsylvania is a known mineral occurrence in Jackson, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Silver.
View detailsAzuriteCO
Orion And Saddle No 6 Fluorspar
Orion and Saddle No 6 Fluorspar is a known mineral occurrence in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Fluorite, Galena, Malachite.
View detailsGoldCO
Orphan Boy
Orphan Boy is a known mineral occurrence in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Osceola
Osceola is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Ottowa Mine
Ottowa Mine is a documented mineral site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Galena.
View detailsFossilCO
Paonia Coal Mine Hadrosaur
Fossil collection site, Gunnison County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFluoriteCO
Parker Mine
Parker Mine is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Fluorite.
View detailsWolframiteCO
Peewink
Peewink is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Wolframite.
View detailsFossilCO
Petrified Wood Building
Petrified Wood Building is a documented rockhounding destination in CO. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Picketwire Tracksite
Picketwire Tracksite is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsAzuriteCO
Piedra Peak-red Mountain Alunite Deposits
Piedra Peak-Red Mountain Alunite Deposits is a known mineral occurrence in Mineral, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMixedCO
Pikes Peak
Pikes Peak is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsAzuriteCO
Porcupine Lode
Porcupine Lode is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsFossilCO
Potter Creek Quarry
Fossil collection site in the Morrison, Montrose County, Colorado. Environment: wet floodplain. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMineralCO
Pride Of America Mine
Pride of America Mine is a historic mining site in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsSilverCO
Puzzle Mine
Puzzle Mine is a historic mining site in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsAlbiteCO
Quartz Creek
Quartz Creek is a documented mineral occurrence near CO. Reported specimens include Albite, Beryl, Lepidolite, Mica, Tourmaline. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Rainbow
Rainbow is a known mineral occurrence in Summit, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsBerylCO
Rainbow Lode
Rainbow Lode is a historic mining site in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsSphaleriteCO
Rancroft
Rancroft is a historic mining site in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Sphalerite.
View detailsAzuriteCO
Ransome Lode
Ransome Lode is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Silver, Sphalerite.
View detailsAzuriteCO
Red Rock Claim
Red Rock Claim is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsMixedCO
Red Rocks Vc
Red Rocks VC is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Red Rocks Visitors Center
Red Rocks Visitors Center is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsAzuriteCO
Revenue
Revenue is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMixedCO
Rhodochrosite
Rhodochrosite is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsFossilCO
Richardson's Ranch Tracksite
Fossil collection site, Baca County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Riggs Quarry 15, Fruita (fmnh)
Fossil collection site in the Morrison, Mesa County, Colorado. Environment: levee. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsStibniteCO
Roadside Mine
Roadside Mine is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Stibnite.
View detailsFossilCO
Roadside Mine Dinosaur Nest
Fossil collection site, Mesa County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Roan Mountain
Fossil collection site in the Green River, Rio Blanco County, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMineralCO
Robinson Mine
Robinson Mine is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsFossilCO
Rocky Point Draw Locality
Fossil collection site, Rio Blanco County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsWolframiteCO
Roosevelt
Roosevelt is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Wolframite.
View detailsFossilCO
Routt County, Sec. 31, T1s, R83w
Fossil collection site in the Minturn, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMixedCO
Royal Gorge
Royal Gorge is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsMixedCO
Royal Gorge Bridge
Royal Gorge Bridge is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsGoldCO
Rush Basin
Rush Basin is a historic mining site in Montezuma, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsGoldCO
Savage Placer
Savage Placer is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsGoldCO
Scandia Vein
Scandia Vein is a known mineral occurrence in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFossilCO
Scotch Creek Pinnid
Fossil collection site in the Honaker Trail, Dolores County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Scotia
Scotia is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsActinoliteCO
Sedalia Copper Mine
Sedalia Copper Mine is a documented mineral occurrence near CO. Reported specimens include Actinolite, Almandine, Azurite, Beryle, Chrysocolla. Verify land access and collecting rules before visiting.
View detailsAmazoniteCO
Sentinel Rock And Specimen Rock
Sentinel Rock and Specimen Rock is a documented mineral occurrence near CO. Reported specimens include Amazonite, Fluorite, Goethite, Hematite, Quartz crystals. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Silver Clad Mine
Silver Clad Mine is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsAzuriteCO
Silver Dollar Claims
Silver Dollar Claims is a known mineral occurrence in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsGoldCO
Silver Falls
Silver Falls is a historic mining site in Montezuma, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsSilverCO
Silver King
Silver King is a known mineral occurrence in Jackson, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Silver.
View detailsAzuriteCO
Silver Queen
Silver Queen is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsAzuriteCO
Silver Wing Property
Silver Wing Property is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsGoldCO
Sitting Bull
Sitting Bull is a historic mining site in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsAzuriteCO
Skek City Mine
Skek City Mine is a mineral prospect in Custer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Nickel.
View detailsMineralCO
Sneffels - Red Mountain District
Sneffels - Red Mountain District is a historic mining site in Ouray, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsAzuriteCO
Sodom Mine
Sodom Mine is a known mineral occurrence in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsGoldCO
South End Shaft
South End Shaft is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFeldsparCO
South Platte Pegmatite District
South Platte Pegmatite District is a historic mining site in Jefferson, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Fluorite, Gemstones, Pyrolusite, Quartz crystals.
View detailsFossilCO
Spar Gulch, Pitkin County
Fossil collection site in the Parting, Colorado. Environment: shallow subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAllophaneCO
Specimen Mountain
Specimen Mountain is a documented mineral occurrence near CO. Reported specimens include Allophane, Calcite, Agate, Quartz, Topaz. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Spotted Fawn
Spotted Fawn is a known mineral occurrence in Gunnison, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
View detailsFossilCO
Starkville Tracksite
Fossil collection site in the Raton, Las Animas County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Station 25, Kimball Creek
Fossil collection site in the Green River, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMixedCO
Stegosaurus
Stegosaurus is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsGoldCO
Suene De Oro
Suene De Oro is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsRhyoliteCO
Sugarloaf & Ruby Mountains
Sugarloaf & Ruby Mountains is a documented mineral occurrence near CO. Reported specimens include Rhyolite, Perlite, Apache tears, Spessartine, Topaz. Verify land access and collecting rules before visiting.
View detailsMineralCO
Sunnyside
Sunnyside is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Pyrolusite, Silver, Sphalerite.
View detailsWolframiteCO
Sunshine
Sunshine is a documented mineral site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Wolframite.
View detailsMineralCO
Sunshine Lode Mine
Sunshine Lode Mine is a historic mining site in Garfield, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Pyrolusite, Silver, Sphalerite.
View detailsAzuriteCO
Swab Mine
Swab Mine is a known mineral occurrence in Alamosa, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Molybdenite.
View detailsMineralCO
Sylvanite Mine
Sylvanite Mine is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsAzuriteCO
Synopsis Mine
Synopsis Mine is a known mineral occurrence in San Miguel, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsGoldCO
Syracuse Mine
Syracuse Mine is a historic mining site in Ouray, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsApophylliteCO
Table Mountains (north And South)
Table Mountains (North and South) is a documented mineral occurrence near CO. Reported specimens include Apophyllite, Aragonite, Calcite, Halloysite, Zeolite. Verify land access and collecting rules before visiting.
View detailsAzuriteCO
Tamarack
Tamarack is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Gold, Malachite, Silver.
View detailsAzuriteCO
Teaser
Teaser is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Barite, Chrysocolla, Copper, Malachite, Sphalerite.
View detailsAzuriteCO
Tempest
Tempest is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Texas Chief Mine
Texas Chief Mine is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Stibnite.
View detailsAzuriteCO
Texas Creek Prospect
Texas Creek Prospect is a mineral prospect in Fremont, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Silver.
View detailsMixedCO
The 'alma King' Rhodochrosite Specimen
The 'Alma King' rhodochrosite specimen is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsAzuriteCO
Three Forks
Three Forks is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Timberline Tunnel
Timberline Tunnel is a historic mining site in El Paso, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Fluorite, Galena, Gold, Silver, Sphalerite.
View detailsMineralCO
Tomahawk Mine
Tomahawk Mine is a historic mining site in La Plata, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Pyrolusite, Silver, Sphalerite.
View detailsMixedCO
Trail Near Yule Marble Mine
Trail near Yule Marble Mine is a documented rockhounding destination in CO. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
View detailsAzuriteCO
Treasure Hill Spar Claim
Treasure Hill Spar Claim is a known mineral occurrence in Hinsdale, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralCO
Treasure Mountain Gold Mining
Treasure Mountain Gold Mining is a historic mining site in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite.
View detailsFossilCO
Trigonias Quarry
Fossil collection site in the Chadron, Weld County, Colorado. Environment: fluvial-lacustrine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Twentieth Century Claim
Twentieth Century Claim is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsBerylCO
Twin Sister
Twin Sister is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl.
View detailsFossilCO
Ucm Loc. 88015
Fossil collection site in the South Platte, Larimer County, Colorado. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Ucm Locality 78169
Fossil collection site in the Denver, Arapahoe County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Ucm Locality 98053
Fossil collection site in the Fort Union, Gunnison County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsGoldCO
Unk
Unk is a known mineral occurrence in San Miguel, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
View detailsFluoriteCO
Unnamed Area (jefferson Co.)
Unnamed Area (Jefferson Co.) is a documented mineral occurrence near CO. Reported specimens include Fluorite, Gold, Silver, Chalcocite, Sphalerite. Verify land access and collecting rules before visiting.
View detailsColorado Yule MarbleCO
Unnamed Area (yule Marble)
Unnamed Area (Yule Marble) is a documented mineral occurrence near CO. Reported specimens include Colorado Yule Marble. Verify land access and collecting rules before visiting.
View detailsZirconCO
Unnamed Area (zircon/fluorite)
Unnamed Area (Zircon/Fluorite) is a documented mineral occurrence near CO. Reported specimens include Zircon, Fluorite. Verify land access and collecting rules before visiting.
View detailsQuartzCO
Unnamed Mine Dump (zircon)
Unnamed Mine Dump (Zircon) is a documented mineral occurrence near CO. Reported specimens include Zircon crystals. Verify land access and collecting rules before visiting.
View detailsFossilCO
Uravan Locality (byu)
Fossil collection site in the Morrison, Montrose County, Colorado. Environment: wet floodplain. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Us Staffella, Mccoy, Co
Fossil collection site in the McCoy, Eagle County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs 10663, Round Butte
Fossil collection site in the Fox Hills, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs 14699, Meeker
Fossil collection site in the Mancos Shale, Rio Blanco County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs 22883. Muldoon Hill
Fossil collection site in the Graneros Shale, Colorado. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs 5719, Wildcat Mound
Fossil collection site in the Fox Hills, Weld County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs D12207, Judson Hills
Fossil collection site in the Fox Hills, Morgan County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs D1545, Morrison
Fossil collection site in the Pierre Shale, Jefferson County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs D3726, Poudre River
Fossil collection site in the Fox Hills, Weld County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs Locality 16093
Fossil collection site in the Pierre Shale, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs Locality 16214
Fossil collection site in the Pierre Shale, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs Locality D 2599
Fossil collection site in the Pierre Shale, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs Locality D 2715
Fossil collection site in the Pierre Shale, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs Locality D 2719
Fossil collection site in the Pierre Shale, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs Locality D 301
Fossil collection site in the Pierre Shale, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilCO
Usgs Locality D 370
Fossil collection site in the Pierre Shale, Larimer County, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuriteCO
Valley Forge Group
Valley Forge Group is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
View detailsAzuriteCO
Valley Forge Mine
Valley Forge Mine is a mineral prospect in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
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Valley Of Death 5
Fossil collection site in the Morrison, Fremont County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Velvet Valley
Velvet Valley is a known mineral occurrence in Gilpin, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
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Verde Creek Deposit
Verde Creek Deposit is a historic mining site in Custer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Barite, Copper, Galena, Gold, Molybdenite, Silver.
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Victor Mine
Victor Mine is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gold, Silver, Sphalerite, Wolframite.
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Victory-silver Monarch
Victory-Silver Monarch is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
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Villa Grove Turquoise Mine
Villa Grove Turquoise Mine is a historic mining site in Saguache, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Copper, Galena, Gemstones, Molybdenite, Sphalerite.
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Walter's Bone
Fossil collection site in the Williams Fork, Rio Blanco County County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Ward Rose
Ward Rose is a known mineral occurrence in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
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Waterloo Mine
Waterloo Mine is a known mineral occurrence in Summit, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
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West Fork San Arroyo Creek
Fossil collection site in the Fox Hills, Colorado. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Westmoor Golf Course
Fossil collection site in the Denver, Adams County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Whale-galena-independence Claims
Whale-Galena-Independence Claims is a known mineral occurrence in San Juan, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
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Wheeler Group
Wheeler Group is a historic mining site in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.
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White Swan
White Swan is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Molybdenite.
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Wighton, Garfield County
Fossil collection site in the Green River, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Wigwam Creek
Wigwam Creek is a documented mineral occurrence near CO. Reported specimens include Amazonite, Fluorite, Smoky Quartz, Clear Quartz. Verify land access and collecting rules before visiting.
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Wild Irishman, Altoona, Herman
Wild Irishman, Altoona, Herman is a known mineral occurrence in Summit, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Silver.
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Wildflower Group
Wildflower Group is a known mineral occurrence in Eagle, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
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Williamson
Williamson is a historic mining site in Boulder, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Fluorite.
View detailsQuartzCO
Willow Creek (permission Required)
Willow Creek (permission required) is a documented mineral occurrence near CO. Reported specimens include Amethyst crystals, Chalcedony, Sphalerite, Silver, Agate. Verify land access and collecting rules before visiting.
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Willow Creek Tracksite (dmnh)
Fossil collection site, Prowers County, Colorado. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Willow Creek West Fork Stream Bed
Willow Creek West Fork stream bed is a documented mineral occurrence near CO. Reported specimens include Turquoise. Verify land access and collecting rules before visiting.
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Wilma
Wilma is a known mineral occurrence in Gilpin, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Molybdenite.
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Winnie Claims
Winnie Claims is a known mineral occurrence in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Wolframite.
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Wisdom Ranch
Wisdom Ranch is a documented mineral occurrence near CO. Reported specimens include Beryl, Chrysoberyl, Garnet, Graphic Granite. Verify land access and collecting rules before visiting.
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Wolf Creek Pass
Wolf Creek Pass is a documented mineral occurrence near CO. Reported specimens include Agate, Jasper, Chalcedony, Moonstone. Verify land access and collecting rules before visiting.
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GeodeCO
Wolf Creek Stream Bed
Wolf Creek Stream Bed is a documented mineral occurrence near CO. Reported specimens include Amethyst geodes, Agate, Chalcedony, Jasper, Moonstone. Verify land access and collecting rules before visiting.
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Wonder Lode
Wonder Lode is a historic mining site in Chaffee, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Fluorite.
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Yellow Jacket
Yellow Jacket is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
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Ypm E-201, Elkhorn Road
Fossil collection site in the Antero, Park County, Colorado. Environment: lacustrine - large. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Ziegler Reservoir, Locality 66, Unit 7
Fossil collection site, Pitkin County, Colorado. Environment: pond. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Zinc Mountain
Zinc Mountain is a known mineral occurrence in Routt, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite, Sphalerite.
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Zulu Chief
Zulu Chief is a known mineral occurrence in Dolores, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
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