Where to find mica in the U.S.

Mica (muscovite and biotite) peels into flexible sheets and is common in pegmatites. Recreational finds concentrate in historic sheet-mica districts and granite pegmatite country — verify ownership before digging dumps or cuts.

Where to find mica guide Gemstones & minerals hub Sites near me

178 directory listings mentioning mica.

What collectors actually find

Expect books and sheets of muscovite (silvery) or biotite (dark), often with quartz and feldspar. Large “books” from historic sheet-mica mines are prized; roadside pegmatite dumps more often yield small books and flakes.

Best U.S. starting regions

South Dakota Black Hills pegmatites (including documented mica lodes), New England historic sheet-mica country (Maine Mount Mica pegmatite district), Maryland’s Kensington-area historic mica mine notes, and North Carolina mica belts. Many classic pits are private or reclaimed — prefer cataloged listings.

Field ID tips

Mica flakes into elastic sheets you can bend without crumbling like clay. Hardness is low (~2.5). Do not confuse with chlorite or weathered biotite schist that powders instead of peeling cleanly.

Mica rockhounding map

Pin map of directory listings that mention mica.

178 sites with coordinates

Mica rockhounding sites

GPS-backed directory listings — open each card for access notes and coordinates.

Bendeleben Mountains — muscovite rockhounding site near Alaska, AK

MuscoviteAK

Bendeleben Mountains

Bendeleben Mountains is a documented mineral occurrence near AK. Reported specimens include Muscovite. Verify land access and collecting rules before visiting.

Fee variesAlaska

Thompson Pass Garnet Beach — garnet rockhounding site near Valdez, AK

GarnetAK

Thompson Pass Garnet Beach

Garnet-rich schist weathers onto beaches near Thompson Pass, where collectors find dark red almandine crystals in stream gravels.

Fee variesValdez

Cheaha Quartz Outcrops — quartz rockhounding site near Delta, AL

QuartzAL

Cheaha Quartz Outcrops

Quartz veins and pegmatite float occur on slopes of Cheaha Mountain, Alabama's highest point, within Cheaha State Park boundaries.

Fee variesDelta

Unnamed Location (melanite) — melanite rockhounding site near Arkansas, AR

MelaniteAR

Unnamed Location (melanite)

Unnamed Location (Melanite) is a documented mineral occurrence near AR. Reported specimens include Melanite, Nepheline, Biotite. Verify land access and collecting rules before visiting.

Fee variesArkansas

Boriana — beryl rockhounding site near Mohave, AZ

BerylAZ

Boriana

Boriana is a historic mining site in Mohave, Arizona, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Copper, Fluorite, Galena, Gold, Mica.

Fee variesMohave

Elder — mica rockhounding site near Maricopa, AZ

MicaAZ

Elder

Elder is a historic mining site in Maricopa, Arizona, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMaricopa

In Pegmatite Outcrops On Area Roadsides — mica rockhounding site near Arizona, AZ

MicaAZ

In Pegmatite Outcrops On Area Roadsides

In pegmatite outcrops on area roadsides is a documented mineral occurrence near AZ. Reported specimens include Mica, Garnet, Hornblende, Feldspar, Black Tourmaline. Verify land access and collecting rules before visiting.

Fee variesArizona

Mica Hill — mica rockhounding site near Mohave, AZ

MicaAZ

Mica Hill

Mica Hill is a historic mining site in Mohave, Arizona, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMohave

Outpost Extension Prospect — azurite rockhounding site near Yavapai, AZ

AzuriteAZ

Outpost Extension Prospect

Outpost Extension Prospect is a known mineral occurrence in Yavapai, Arizona, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Bismuth, Chrysocolla, Copper, Feldspar, Galena.

Fee variesYavapai

Snowrock Claims — mica rockhounding site near Graham, AZ

MicaAZ

Snowrock Claims

Snowrock Claims is a mineral prospect in Graham, Arizona, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesGraham

Black Canyon Deposit — feldspar rockhounding site near San Diego, CA

FeldsparCA

Black Canyon Deposit

Black Canyon Deposit is a historic mining site in San Diego, California, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Gemstones, Mica.

Fee variesSan Diego

Crystal Mountain — beryl rockhounding site near Colorado, CO

BerylCO

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.

Fee variesColorado

King — mica rockhounding site near Mesa, CO

MicaCO

King

King is a documented mineral site in Mesa, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMesa

Langston Pit — mica rockhounding site near Larimer, CO

MicaCO

Langston Pit

Langston Pit is a historic mining site in Larimer, Colorado, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesLarimer

Quartz Creek — albite rockhounding site near Colorado, CO

AlbiteCO

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.

Fee variesColorado

Old Mine Park Trumbull — tungsten rockhounding site near Trumbull, CT

TungstenCT

Old Mine Park Trumbull

Old Mine Park preserves historic tungsten mine shafts and dumps in Trumbull for geological interpretation without collecting.

Fee variesTrumbull

Roebling Mine — aquamarine rockhounding site near Connecticut, CT

AquamarineCT

Roebling Mine

Roebling Mine is a documented mineral occurrence near CT. Reported specimens include Aquamarine, Beryl, Biotite, Feldspar, Garnet, Smokey Quartz, Muscovite, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Brandywine Valley Garnet — garnet rockhounding site near Wilmington, DE

GarnetDE

Brandywine Valley Garnet

Garnet-bearing gneiss outcrops of the Wilmington Complex are visible in Brandywine Creek State Park for geology study only.

Fee variesWilmington

White Clay Creek Fossil Beds — fossil rockhounding site near Newark, DE

FossilDE

White Clay Creek Fossil Beds

Creek banks of White Clay Creek expose Paleozoic schist and fossil-bearing units in the Piedmont of northern Delaware.

Fee variesNewark

Ball Ground Pegmatite Belt — pegmatite rockhounding site near Ball Ground, GA

PegmatiteGA

Ball Ground Pegmatite Belt

Pegmatite dikes near Ball Ground in the Georgia Blue Ridge foothills have produced beryl and tourmaline for regional collectors.

Fee variesBall Ground

Brasstown Church — sillimanite rockhounding site near Georgia, GA

SillimaniteGA

Brasstown Church

Brasstown Church is a documented mineral occurrence near GA. Reported specimens include Sillimanite, Kyanite, Biotite, Muscovite. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Culloden — mica rockhounding site near Georgia, GA

MicaGA

Culloden

Culloden is a documented mineral occurrence near GA. Reported specimens include Mica, Muscovite, Biotite, Feldspar, Quartz. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Herron Mine — apatite rockhounding site near Georgia, GA

ApatiteGA

Herron Mine

Herron Mine is a documented mineral occurrence near GA. Reported specimens include Apatite, Beryl, Mica, Quartz. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Hillsboro — amethyst rockhounding site near Georgia, GA

AmethystGA

Hillsboro

Hillsboro is a documented mineral occurrence near GA. Reported specimens include Amethyst, Rose Quartz, Smoky Quartz, Clear Quartz, Mica, Vermiculite. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Hunter Knob — graphite rockhounding site near Georgia, GA

GraphiteGA

Hunter Knob

Hunter Knob is a documented mineral occurrence near GA. Reported specimens include Graphite, Muscovite, Quartz, Sillimanite. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Lavonia — muscovite rockhounding site near Georgia, GA

MuscoviteGA

Lavonia

Lavonia is a documented mineral occurrence near GA. Reported specimens include Muscovite, Galena, Quartz. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Milner — mica books rockhounding site near Georgia, GA

Mica booksGA

Milner

Milner is a documented mineral occurrence near GA. Reported specimens include Mica books, Smoky Quartz. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Tate — almandine rockhounding site near Georgia, GA

AlmandineGA

Tate

Tate is a documented mineral occurrence near GA. Reported specimens include Almandine, Kyanite, Mica, Staurolite. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Thomaston — kyanite rockhounding site near Georgia, GA

KyaniteGA

Thomaston

Thomaston is a documented mineral occurrence near GA. Reported specimens include Kyanite, Mica, Citrine, Corundum, Garnet. Verify land access and collecting rules before visiting.

Fee variesGeorgia

Blackbird Creek Garnet Area — garnet rockhounding site near Salmon, ID

GarnetID

Blackbird Creek Garnet Area

Garnet-bearing mica schist outcrops in the Salmon River Mountains weather out dark red almandine crystals.

Fee variesSalmon

Bowman Prospect — mica rockhounding site near Boise, ID

MicaID

Bowman Prospect

Bowman Prospect is a known mineral occurrence in Boise, Idaho, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesBoise

Mica Group — gold rockhounding site near Clearwater, ID

GoldID

Mica Group

Mica Group is a known mineral occurrence in Clearwater, Idaho, documented by the USGS Mineral Resources Data System. Reported specimens include Gold.

Fee variesClearwater

Mica Mountain — green beryl rockhounding site near Idaho, ID

Green BerylID

Mica Mountain

Mica Mountain is a documented mineral occurrence near ID. Reported specimens include Green Beryl, Biotite, Muscovite. Verify land access and collecting rules before visiting.

Fee variesIdaho

Mountain Mica — mica rockhounding site near Mica Is A Known Mineral Occurrence In Shoshone, ID

MicaID

Mountain Mica

Mountain Mica is a known mineral occurrence in Shoshone, Idaho, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMica Is A Known Mineral Occurrence In Shoshone

Pack River — garnet rockhounding site near Idaho, ID

GarnetID

Pack River

Pack River is a documented mineral occurrence near ID. Reported specimens include Garnet, Feldspar, Mica. Verify land access and collecting rules before visiting.

Fee variesIdaho

Crittenden County — mineral rockhounding site near Kentucky, KY

MineralKY

Crittenden County

Crittenden County is a documented mineral occurrence near KY. Reported specimens include Galena, Fluorite, Barite, Calcite, Dolomite crystals, Pyrite, Smithsonite, Sphalerite, Mica, Peridotite. Verify land access and collecting rules before visiting.

Fee variesKentucky

Ison Creek — enstatite rockhounding site near Kentucky, KY

EnstatiteKY

Ison Creek

Ison Creek is a documented mineral occurrence near KY. Reported specimens include Enstatite, Ilmenite, Magnetite, Mica, Olivine, Peridotite, Garnet, Serpentine. Verify land access and collecting rules before visiting.

Fee variesKentucky

Harvard Quarry Maine Border Pegmatite — pegmatite rockhounding site near Petersham, MA

PegmatiteMA

Harvard Quarry Maine Border Pegmatite

Central Massachusetts pegmatites near Petersham in the Worcester Range contain beryl and tourmaline in muscovite-rich zones.

Fee variesPetersham

Reynolds Mine At Beryl Hill — beryl rockhounding site near Massachusetts, MA

BerylMA

Reynolds Mine At Beryl Hill

Reynolds Mine at Beryl Hill is a documented mineral occurrence near MA. Reported specimens include Beryl, Smoky Quartz, Muscovite. Verify land access and collecting rules before visiting.

Fee variesMassachusetts

Flintville — quartz rockhounding site near Maryland, MD

QuartzMD

Flintville

Flintville is a documented mineral occurrence near MD. Reported specimens include Feldspar crystals, Garnet, Mica, Quartz crystals. Verify land access and collecting rules before visiting.

Fee variesMaryland

Kensington Mica Mine — gold rockhounding site near Maryland, MD

GoldMD

Kensington Mica Mine

Kensington Mica Mine is a documented mineral occurrence near MD. Reported specimens include Golden Beryl, Mica. Verify land access and collecting rules before visiting.

Fee variesMaryland

Bemis Stream Prospect — albite rockhounding site near Maine, ME

AlbiteME

Bemis Stream Prospect

Bemis Stream Prospect is a documented mineral occurrence near ME. Reported specimens include Albite, Beryl, Green Elbaite Tourmaline, Blue Fluorapatite, Purple Fluorapatite, Feldspar, Mica, Quartz, Spessartine Garnet, Sphalerite, Spodumene. Verify land access and collecting rules before visiting.

Fee variesMaine

Bumpus Quarry — albite rockhounding site near Maine, ME

AlbiteME

Bumpus Quarry

Bumpus Quarry is a documented mineral occurrence near ME. Reported specimens include Albite, Almandine Garnet, Autunite, Golden Beryl, Aquamarine, Mica, Columbite, Fluorapatite, Feldspar, Quartz, Rose Quartz, Smoky Quartz, Schorl, Zircon. Verify land access and collecting rules before visiting.

Fee variesMaine

Catherine Mountain — molybdenite rockhounding site near Maine, ME

MolybdeniteME

Catherine Mountain

Catherine Mountain is a documented mineral occurrence near ME. Reported specimens include Molybdenite, Granite, Quartz crystals, Biotite, Fluorapatite, Hornblende, Magnetite, Microcline, Pyrite, Scheelite, Stilbite. Verify land access and collecting rules before visiting.

Fee variesMaine

Deer Hill Area Prospect — feldspar rockhounding site near Oxford, ME

FeldsparME

Deer Hill Area Prospect

Deer Hill Area Prospect is a mineral prospect in Oxford, Maine, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Garnet, Gemstones, Mica.

Fee variesOxford

Deer Hill Mineral — amethyst rockhounding site near Maine, ME

AmethystME

Deer Hill Mineral

Deer Hill Mineral is a documented mineral occurrence near ME. Reported specimens include Amethyst, Feldspar, Beryl, Garnet, Columbite, Pyrite, Muscovite. Verify land access and collecting rules before visiting.

Fee variesMaine

Edgecomb Quarry — garnet rockhounding site near Maine, ME

GarnetME

Edgecomb Quarry

Edgecomb Quarry is a documented mineral occurrence near ME. Reported specimens include Almandine Garnet, Beryl, Aquamarine, Biotite, Feldspar, Muscovite, Smokey Quartz, Quartz. Verify land access and collecting rules before visiting.

Fee variesMaine

Havey — albite rockhounding site near Maine, ME

AlbiteME

Havey

Havey is a documented mineral occurrence near ME. Reported specimens include Albite, Almandine Garnet, Beryl, Biotite, Columbite, Mica, Aquamarine, Chalcopyrite, Schorl, Quartz, Zircon, Elbaite, Thorogummite. Verify land access and collecting rules before visiting.

Fee variesMaine

Hedgehog Hill Quarry — albite rockhounding site near Maine, ME

AlbiteME

Hedgehog Hill Quarry

Hedgehog Hill Quarry is a documented mineral occurrence near ME. Reported specimens include Albite, Almandine Garnet, Beryl, Mica, Chrysoberyl, Fluorapatite, Feldspar, Quartz, Smokey Quartz, Schorl. Verify land access and collecting rules before visiting.

Fee variesMaine

Mount Apatite Quarries — albite rockhounding site near Maine, ME

AlbiteME

Mount Apatite Quarries

Mount Apatite Quarries is a documented mineral occurrence near ME. Reported specimens include Albite, Almandine Garnet, Arsenopyrite, Autunite, Green Beryl, Pink Beryl, Aquamarine, Biotite, Green Elbaite Tourmaline, Fluorapatite, Lepidolite, Pyrite, Quartz, Rhodochrosite. Verify land access and collecting rules before visiting.

Fee variesMaine

Mount Mica Pegmatite — tourmaline rockhounding site near Paris, ME

TourmalineME

Mount Mica Pegmatite

Mount Mica near Paris is America's first gem pegmatite mine, producing tourmaline and beryl since the 1820s.

Fee requiredParis

Peabody Mtn. Quarry — feldspar rockhounding site near Oxford, ME

FeldsparME

Peabody Mtn. Quarry

Peabody Mtn. Quarry is a historic mining site in Oxford, Maine, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Gemstones, Mica.

Fee variesOxford

Pitts Garnet Mine — actinolite rockhounding site near Maine, ME

ActinoliteME

Pitts Garnet Mine

Pitts Garnet Mine is a documented mineral occurrence near ME. Reported specimens include Actinolite, Calcite, Diopside, Garnet, Molybdenite, Quartz, Titanite, Clinozoisite, Clinochlore, Beryl, Feldspar, Muscovite. Verify land access and collecting rules before visiting.

Fee variesMaine

Poland Mining Camps (paid Area) — quartz rockhounding site near Maine, ME

QuartzME

Poland Mining Camps (paid Area)

Poland Mining Camps (paid area) is a documented mineral occurrence near ME. Reported specimens include Quartz, Feldspar, Beryl, Mica, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesMaine

Porcupine Hill Quarry — albite rockhounding site near Maine, ME

AlbiteME

Porcupine Hill Quarry

Porcupine Hill Quarry is a documented mineral occurrence near ME. Reported specimens include Albite, Almandine Garnet, Beryl, Biotite, Columbite, Green Elbaite Tourmaline, Fluorapatite, Quartz crystals, Schorl. Verify land access and collecting rules before visiting.

Fee variesMaine

Ragged Jack Mountain — garnet rockhounding site near Maine, ME

GarnetME

Ragged Jack Mountain

Ragged Jack Mountain is a documented mineral occurrence near ME. Reported specimens include Almandine Garnet, Chrysoberyl, Fluorapatite, Feldspar, Mica, Quartz, Schorl. Verify land access and collecting rules before visiting.

Fee variesMaine

Singepole Mountain Quarry — garnet rockhounding site near Maine, ME

GarnetME

Singepole Mountain Quarry

Singepole Mountain Quarry is a documented mineral occurrence near ME. Reported specimens include Almandine Garnet, Beryl, Biotite, Fluorapatite, Microcline, Muscovite, Quartz, Schorl. Verify land access and collecting rules before visiting.

Fee variesMaine

Decaturville Crater — albite rockhounding site near Missouri, MO

AlbiteMO

Decaturville Crater

Decaturville Crater is a documented mineral occurrence near MO. Reported specimens include Albite, Galena, Glauconite, Limonite, Marcasite, Microcline, Muscovite, Opal, Plagioclase, Pyrite, Sphalerite, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesMissouri

Beehive Basin — mica rockhounding site near Is A Documented Mineral Site In Madison, MT

MicaMT

Beehive Basin

Beehive Basin is a documented mineral site in Madison, Montana, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesIs A Documented Mineral Site In Madison

Mica Chief Mine — mica rockhounding site near Madison, MT

MicaMT

Mica Chief Mine

Mica Chief Mine is a mineral prospect in Madison, Montana, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMadison

Mica Occurrence — mica rockhounding site near Madison, MT

MicaMT

Mica Occurrence

Mica Occurrence is a mineral prospect in Madison, Montana, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMadison

Montana Mine — mica rockhounding site near Madison, MT

MicaMT

Montana Mine

Montana Mine is a mineral prospect in Madison, Montana, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMadison

Rim Rock — mica rockhounding site near Madison, MT

MicaMT

Rim Rock

Rim Rock is a mineral prospect in Madison, Montana, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesMadison

Thompson #1 — mica rockhounding site near Gallatin, MT

MicaMT

Thompson #1

Thompson #1 is a known mineral occurrence in Gallatin, Montana, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesGallatin

Balsam Gap Mine — magnesite rockhounding site near North Carolina, NC

MagnesiteNC

Balsam Gap Mine

Balsam Gap Mine is a documented mineral occurrence near NC. Reported specimens include Magnesite, Albite, Allanite, Green Beryl, Columbite, Corundum, Garnet, Biotite, Muscovite, Sapphire. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Blackjack Ridge Mine — feldspar rockhounding site near Yancey, NC

FeldsparNC

Blackjack Ridge Mine

Blackjack Ridge Mine is a historic mining site in Yancey, North Carolina, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Mica.

Fee variesYancey

Bryson City — allanite rockhounding site near North Carolina, NC

AllaniteNC

Bryson City

Bryson City is a documented mineral occurrence near NC. Reported specimens include Allanite, Garnet, Magnetite, Moonstone, Quartz crystals, Pyrite, Feldspar, Mica, Kyanite, Staurolite. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Burnsville — albite rockhounding site near North Carolina, NC

AlbiteNC

Burnsville

Burnsville is a documented mineral occurrence near NC. Reported specimens include Albite, Amazonite, Apatite, Aquamarine, Autunite, Beryl, Emerald, Fluorite, Garnet, Kyanite, Muscovite, Feldspar, Rutile crystals, Quartz crystals, Sunstone, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

C Mine — mica rockhounding site near Jackson, NC

MicaNC

C Mine

C Mine is a historic mining site in Jackson, North Carolina, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesJackson

Caswell County — gold rockhounding site near North Carolina, NC

GoldNC

Caswell County

Caswell County is a documented mineral occurrence near NC. Reported specimens include Gold, Allanite, Mica, Garnet, Quartz. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Cedar Cliff Mine — feldspar rockhounding site near Yancey, NC

FeldsparNC

Cedar Cliff Mine

Cedar Cliff Mine is a historic mining site in Yancey, North Carolina, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Mica.

Fee variesYancey

Celo Ridge — sapphire rockhounding site near North Carolina, NC

SapphireNC

Celo Ridge

Celo Ridge is a documented mineral occurrence near NC. Reported specimens include Sapphire, Feldspar, Garnet, Kyanite, Mica. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Clear Creek Ridge Mine — feldspar rockhounding site near Yancey, NC

FeldsparNC

Clear Creek Ridge Mine

Clear Creek Ridge Mine is a historic mining site in Yancey, North Carolina, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Mica.

Fee variesYancey

Deer Park Mine — autunite rockhounding site near North Carolina, NC

AutuniteNC

Deer Park Mine

Deer Park Mine is a documented mineral occurrence near NC. Reported specimens include Autunite, Feldspar crystals, Garnet, Hyalite Opal, Mica, Monazite, Thulite. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Feldspar Mine — feldspar rockhounding site near Mitchell, NC

FeldsparNC

Feldspar Mine

Feldspar Mine is a historic mining site in Mitchell, North Carolina, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Mica.

Fee variesMitchell

Huckleberry Mountain — mica rockhounding site near North Carolina, NC

MicaNC

Huckleberry Mountain

Huckleberry Mountain is a documented mineral occurrence near NC. Reported specimens include Mica, Quartz crystals. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Roberson Ridge — ankerite rockhounding site near North Carolina, NC

AnkeriteNC

Roberson Ridge

Roberson Ridge is a documented mineral occurrence near NC. Reported specimens include Ankerite, Apatite, Biotite, Garnet, Muscovite, Pyrrotite, Quartz crystals, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

S.w. Presley Mine — feldspar rockhounding site near Yancey, NC

FeldsparNC

S.w. Presley Mine

S.W. Presley Mine is a historic mining site in Yancey, North Carolina, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Mica.

Fee variesYancey

South Hardin Mica Mine — aquamarine rockhounding site near North Carolina, NC

AquamarineNC

South Hardin Mica Mine

South Hardin Mica Mine is a documented mineral occurrence near NC. Reported specimens include Aquamarine, Golden Beryl, Muscovite. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Spear — beryl rockhounding site near North Carolina, NC

BerylNC

Spear

Spear is a documented mineral occurrence near NC. Reported specimens include Beryl, Garnet, Epidote crystals, Mica. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Stice Shoal Lake Dam — aquamarine rockhounding site near North Carolina, NC

AquamarineNC

Stice Shoal Lake Dam

Stice Shoal Lake Dam is a documented mineral occurrence near NC. Reported specimens include Aquamarine, Beryl, Emerald, Mica, Smoky Quartz, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesNorth Carolina

Willies Shanty Mine — feldspar rockhounding site near Yancey, NC

FeldsparNC

Willies Shanty Mine

Willies Shanty Mine is a historic mining site in Yancey, North Carolina, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Mica.

Fee variesYancey

Deer Hill Mineral — amethyst rockhounding site near New Hampshire, NH

AmethystNH

Deer Hill Mineral

Deer Hill Mineral is a documented mineral occurrence near NH. Reported specimens include Amethyst, Quartz, Feldspar, Beryl, Garnet, Columbite, Pyrite, Muscovite. Verify land access and collecting rules before visiting.

Fee variesNew Hampshire

Ruggles Mine — mica rockhounding site near Grafton, NH

MicaNH

Ruggles Mine

Ruggles Mine was a popular fee-collecting mica mine in Grafton for decades; check current access status before visiting.

Fee variesGrafton

Victor Head — albite rockhounding site near New Hampshire, NH

AlbiteNH

Victor Head

Victor Head is a documented mineral occurrence near NH. Reported specimens include Albite, Amethyst, Beryl, Chlorite, Feldspar, Fluorite, Limonite, Muscovite, Pyrite, Smoky Quartz, Sericite, Topaz. Verify land access and collecting rules before visiting.

Fee variesNew Hampshire

Ancon Mine — mica rockhounding site near Rio Arriba, NM

MicaNM

Ancon Mine

Ancon Mine is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Black Mountain — albite rockhounding site near New Mexico, NM

AlbiteNM

Black Mountain

Black Mountain is a documented mineral occurrence near NM. Reported specimens include Albite, Amethyst, Biotite, Sanidine, Sphene. Verify land access and collecting rules before visiting.

Fee variesNew Mexico

Canary Bird — mica rockhounding site near Rio Arriba, NM

MicaNM

Canary Bird

Canary Bird is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Carmelita — mica rockhounding site near Rio Arriba, NM

MicaNM

Carmelita

Carmelita is a historic mining site in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

El Floto — mica rockhounding site near Rio Arriba, NM

MicaNM

El Floto

El Floto is a historic mining site in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Elpha No. 3 — mica rockhounding site near Rio Arriba, NM

MicaNM

Elpha No. 3

Elpha No. 3 is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Esperanza — mica rockhounding site near Rio Arriba, NM

MicaNM

Esperanza

Esperanza is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Garrapata — mica rockhounding site near Taos, NM

MicaNM

Garrapata

Garrapata is a known mineral occurrence in Taos, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesTaos

Green Peak Deposit — azurite rockhounding site near Rio Arriba, NM

AzuriteNM

Green Peak Deposit

Green Peak Deposit is a known mineral occurrence in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Mica.

Fee variesRio Arriba

Harding Pegmatite Mine — blue apatite rockhounding site near New Mexico, NM

Blue ApatiteNM

Harding Pegmatite Mine

Harding Pegmatite Mine is a documented mineral occurrence near NM. Reported specimens include Blue Apatite, Bityite, Eucryptite, Purple Lepidolite, Rose Muscovite, Quartz crystals, Spodumene, Green Tourmaline. Verify land access and collecting rules before visiting.

Fee variesNew Mexico

Jam Mine — mica rockhounding site near Rio Arriba, NM

MicaNM

Jam Mine

Jam Mine is a documented mineral site in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

La Jarita — mica rockhounding site near Rio Arriba, NM

MicaNM

La Jarita

La Jarita is a historic mining site in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Little Julia — mica rockhounding site near Rio Arriba, NM

MicaNM

Little Julia

Little Julia is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Lone Wolf — mica rockhounding site near Rio Arriba, NM

MicaNM

Lone Wolf

Lone Wolf is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Mica Lode — mica rockhounding site near Rio Arriba, NM

MicaNM

Mica Lode

Mica Lode is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Nambe Mine — mica rockhounding site near Rio Arriba, NM

MicaNM

Nambe Mine

Nambe Mine is a historic mining site in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Pecos — actinolite rockhounding site near New Mexico, NM

ActinoliteNM

Pecos

Pecos is a documented mineral occurrence near NM. Reported specimens include Actinolite, Garnet, Lepidolite, Mica, Bornite, Pyrite, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesNew Mexico

Petaca — pink feldspar rockhounding site near New Mexico, NM

Pink FeldsparNM

Petaca

Petaca is a documented mineral occurrence near NM. Reported specimens include Pink Feldspar, Mica, Quartz. Verify land access and collecting rules before visiting.

Fee variesNew Mexico

Red Mine — mica rockhounding site near Rio Arriba, NM

MicaNM

Red Mine

Red Mine is a historic mining site in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Salt Lick — mica rockhounding site near Rio Arriba, NM

MicaNM

Salt Lick

Salt Lick is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Snowstorm — mica rockhounding site near Rio Arriba, NM

MicaNM

Snowstorm

Snowstorm is a historic mining site in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

South Kiawa — mica rockhounding site near Rio Arriba, NM

MicaNM

South Kiawa

South Kiawa is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Taos Mill — mica rockhounding site near Taos, NM

MicaNM

Taos Mill

Taos Mill is a documented mineral site in Taos, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesTaos

White Mule — mica rockhounding site near Rio Arriba, NM

MicaNM

White Mule

White Mule is a mineral prospect in Rio Arriba, New Mexico, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesRio Arriba

Garnet Hill — garnet rockhounding site near Ely, NV

GarnetNV

Garnet Hill

A BLM interpretive site near Ely where garnet crystals weather out of dark schist on a hillside overlooking the Robinson mining district.

Fee variesEly

Benson Mines Garnet Pit — garnet rockhounding site near Star Lake, NY

GarnetNY

Benson Mines Garnet Pit

The largest open-pit iron mine in New York at Benson Mines produced massive almandine garnet crystals in tailings and pit walls.

Fee variesStar Lake

Brant Lake — apatite rockhounding site near New York, NY

ApatiteNY

Brant Lake

Brant Lake is a documented mineral occurrence near NY. Reported specimens include Apatite, Calcite, Diopside, Muscovite, Pyrite, Rutile, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesNew York

Lake Harris — albite rockhounding site near New York, NY

AlbiteNY

Lake Harris

Lake Harris is a documented mineral occurrence near NY. Reported specimens include Albite, Amphibole, Apatite, Diopside, Graphite, Muscovite, Phlogopite, Pyrite, Pyroxene, Smoky Quartz crystals, Scapolite, Tourmaline, Tremolite. Verify land access and collecting rules before visiting.

Fee variesNew York

Lyon Mountain — aegirine rockhounding site near New York, NY

AegirineNY

Lyon Mountain

Lyon Mountain is a documented mineral occurrence near NY. Reported specimens include Aegirine, Albite, Apatite, Augite, Biotite, Calcite, Chlorite, Epidote, Hematite, Ilmenite, Magnetite, Molybdenite, Orthoclase, Perthite, Pyrite, Quartz, Stilbite, Wernerite. Verify land access and collecting rules before visiting.

Fee variesNew York

Peter Wyant Mica Property Deposit — graphite rockhounding site near Rockland, NY

GraphiteNY

Peter Wyant Mica Property Deposit

Peter Wyant Mica Property Deposit is a mineral prospect in Rockland, New York, documented by the USGS Mineral Resources Data System. Reported specimens include Graphite, Mica.

Fee variesRockland

Timbered Hills Garnet Area — garnet rockhounding site near Lawton, OK

GarnetOK

Timbered Hills Garnet Area

Garnet-bearing schist outcrops in the Wichita Mountains uplift weather garnets into area creeks and gravel bars.

Fee variesLawton

Mt. Pisgah — allanite rockhounding site near Pennsylvania, PA

AllanitePA

Mt. Pisgah

Mt. Pisgah is a documented mineral occurrence near PA. Reported specimens include Allanite, Autunite, Carnotite, Chlorite, Mica, Pyrite, Quartz, Uraninite. Verify land access and collecting rules before visiting.

Fee variesPennsylvania

Moosup River — epidote rockhounding site near Rhode Island, RI

EpidoteRI

Moosup River

Moosup River is a documented mineral occurrence near RI. Reported specimens include Epidote, Hornblende, Orthoclase, Pyrite, Apatite, Biotite, Garnet, Chlorite, Labradorite, Serpentine. Verify land access and collecting rules before visiting.

Fee variesRhode Island

Anderson Feldspar Mine Area — pegmatite rockhounding site near Anderson, SC

PegmatiteSC

Anderson Feldspar Mine Area

Historic pegmatite mines of the Carolina Piedmont near Anderson exposed large muscovite books and garnet crystals.

Fee variesAnderson

Ajax Claim — mica rockhounding site near Custer, SD

MicaSD

Ajax Claim

Ajax Claim is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesCuster

Antler Mine — mica rockhounding site near Custer, SD

MicaSD

Antler Mine

Antler Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesCuster

Beryl Mica Lode — beryl rockhounding site near Custer, SD

BerylSD

Beryl Mica Lode

Beryl Mica Lode is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Big Smoke Group — beryl rockhounding site near Pennington, SD

BerylSD

Big Smoke Group

Big Smoke Group is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesPennington

Big Spar No 1 Mine — beryl rockhounding site near Custer, SD

BerylSD

Big Spar No 1 Mine

Big Spar No 1 Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Black Hills Pegmatite Belt — pegmatite rockhounding site near Keystone, SD

PegmatiteSD

Black Hills Pegmatite Belt

Black Hills pegmatites near Keystone and Custer produced feldspar and mica for industry; collectors find quartz and beryl in old diggings.

Fee variesKeystone

Blue Bonnet Claim — beryl rockhounding site near Custer, SD

BerylSD

Blue Bonnet Claim

Blue Bonnet Claim is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Bob Ingersoll Mine — beryl rockhounding site near Pennington, SD

BerylSD

Bob Ingersoll Mine

Bob Ingersoll Mine is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Feldspar, Lepidolite, Mica.

Fee variesPennington

Bonnie Lode — mica rockhounding site near Custer, SD

MicaSD

Bonnie Lode

Bonnie Lode is a mineral prospect in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesCuster

Come Along Lode — cassiterite rockhounding site near Custer, SD

CassiteriteSD

Come Along Lode

Come Along Lode is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Cassiterite, Feldspar, Mica.

Fee variesCuster

Cowboy Tin Mine — beryl rockhounding site near Mine Is A Historic Mining Site In Pennington, SD

BerylSD

Cowboy Tin Mine

Cowboy Tin Mine is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Mica.

Fee variesMine Is A Historic Mining Site In Pennington

Greene Mine — beryl rockhounding site near Custer, SD

BerylSD

Greene Mine

Greene Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.

Fee variesCuster

Highview Prospect — beryl rockhounding site near Custer, SD

BerylSD

Highview Prospect

Highview Prospect is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Lepidolite, Mica.

Fee variesCuster

Knowles Lode Claim — beryl rockhounding site near Custer, SD

BerylSD

Knowles Lode Claim

Knowles Lode Claim is a known mineral occurrence in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Mica, Quartz crystals.

Fee variesCuster

Lincoln No. 6 Lode — beryl rockhounding site near Custer, SD

BerylSD

Lincoln No. 6 Lode

Lincoln No. 6 Lode is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Lincoln Number Six Lode — beryl rockhounding site near Custer, SD

BerylSD

Lincoln Number Six Lode

Lincoln Number Six Lode is a mineral prospect in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Lucky Twist Mine — beryl rockhounding site near Custer, SD

BerylSD

Lucky Twist Mine

Lucky Twist Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Midas Mine — mica rockhounding site near Custer, SD

MicaSD

Midas Mine

Midas Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesCuster

Mohawk Mica — mica rockhounding site near Custer, SD

MicaSD

Mohawk Mica

Mohawk Mica is a mineral prospect in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesCuster

Mountain Rose Mine — beryl rockhounding site near Rose Mine Is A Historic Mining Site In Custer, SD

BerylSD

Mountain Rose Mine

Mountain Rose Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesRose Mine Is A Historic Mining Site In Custer

Phenacite Prospect — beryl rockhounding site near Custer, SD

BerylSD

Phenacite Prospect

Phenacite Prospect is a known mineral occurrence in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Ponca Group Ms 1110 — beryl rockhounding site near Pennington, SD

BerylSD

Ponca Group Ms 1110

Ponca Group MS 1110 is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesPennington

Punch Mine — mica rockhounding site near Custer, SD

MicaSD

Punch Mine

Punch Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesCuster

Seal Mine — mica rockhounding site near Custer, SD

MicaSD

Seal Mine

Seal Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Mica.

Fee variesCuster

Sitting Bull Group — beryl rockhounding site near Pennington, SD

BerylSD

Sitting Bull Group

Sitting Bull Group is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesPennington

Snookum — beryl rockhounding site near Custer, SD

BerylSD

Snookum

Snookum is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.

Fee variesCuster

Soda Spar Lode — beryl rockhounding site near Pennington, SD

BerylSD

Soda Spar Lode

Soda Spar Lode is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.

Fee variesPennington

Tin Mountain — fluorapatite rockhounding site near South Dakota, SD

FluorapatiteSD

Tin Mountain

Tin Mountain is a documented mineral occurrence near SD. Reported specimens include Fluorapatite, Quartz crystals, Almandine Garnet, Cassiterite, Mica, Tourmaline, Zircon. Verify land access and collecting rules before visiting.

Fee variesSouth Dakota

Tin Spike Mine — beryl rockhounding site near Spike Mine Is A Historic Mining Site In Pennington, SD

BerylSD

Tin Spike Mine

Tin Spike Mine is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Cassiterite, Mica, Wolframite.

Fee variesSpike Mine Is A Historic Mining Site In Pennington

White Cloud Prospect — beryl rockhounding site near Custer, SD

BerylSD

White Cloud Prospect

White Cloud Prospect is a known mineral occurrence in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesCuster

Wilhelm Mine — beryl rockhounding site near Custer, SD

BerylSD

Wilhelm Mine

Wilhelm Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.

Fee variesCuster

Wood Tin Lode — beryl rockhounding site near Lode Is A Historic Mining Site In Pennington, SD

BerylSD

Wood Tin Lode

Wood Tin Lode is a historic mining site in Pennington, South Dakota, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Lepidolite, Mica.

Fee variesLode Is A Historic Mining Site In Pennington

Alta — apatite rockhounding site near Utah, UT

ApatiteUT

Alta

Alta is a documented mineral occurrence near UT. Reported specimens include Apatite, Biotite, Barite, Cerussite, Limonite, Rhodochrosite, Galena, Magnetite, Hornblende, Prehnite, Pyrite, Quartz, Sphene, Scheelite, Silver, Stilbite, Zircon. Verify land access and collecting rules before visiting.

Fee variesUtah

Antelope Island — garnet rockhounding site near Utah, UT

GarnetUT

Antelope Island

Antelope Island is a documented mineral occurrence near UT. Reported specimens include Garnet, Azurite, Biotite, Chlorite, Chrysocolla, Epidote, Limonite, Magnetite, Malachite, Quartz, Sulfur, Zoisite. Verify land access and collecting rules before visiting.

Fee variesUtah

Arthur's Fork — biotite rockhounding site near Utah, UT

BiotiteUT

Arthur's Fork

Arthur's Fork is a documented mineral occurrence near UT. Reported specimens include Biotite, Monazite, Molybdenite, Uraninite, Xenotime. Verify land access and collecting rules before visiting.

Fee variesUtah

Goshute Reservation — beryl rockhounding site near Utah, UT

BerylUT

Goshute Reservation

Goshute Reservation is a documented mineral occurrence near UT. Reported specimens include Beryl, Muscovite, Quartz, Orthoclase. Verify land access and collecting rules before visiting.

Fee variesUtah

Iron Peak — andesite rockhounding site near Utah, UT

AndesiteUT

Iron Peak

Iron Peak is a documented mineral occurrence near UT. Reported specimens include Andesite, Augite, Biotite, Chlorite, Magnetite. Verify land access and collecting rules before visiting.

Fee variesUtah

Little Cottonwood — apatite rockhounding site near Utah, UT

ApatiteUT

Little Cottonwood

Little Cottonwood is a documented mineral occurrence near UT. Reported specimens include Apatite, Alunite, Biotite, Hornblende, Magnetite, Microcline, Feldspar, Pyrite, Quartz, Sphene, Sericite, Scheelite, Zircon. Verify land access and collecting rules before visiting.

Fee variesUtah

Marysville — cinnabar rockhounding site near Utah, UT

CinnabarUT

Marysville

Marysville is a documented mineral occurrence near UT. Reported specimens include Cinnabar, Alunite, Albite, Biotite, Calcite, Chlorite, Pyrolusite, Barite, Fluorite, Goethite, Amethyst, Quartz, Selenite, Opal. Verify land access and collecting rules before visiting.

Fee variesUtah

Painter Spring — garnet rockhounding site near Utah, UT

GarnetUT

Painter Spring

Painter Spring is a documented mineral occurrence near UT. Reported specimens include Garnet, Idocrase, Microcline, Orthoclase, Muscovite, Pyrite, Scheelite. Verify land access and collecting rules before visiting.

Fee variesUtah

San Francisco Mountains — diopside rockhounding site near Utah, UT

DiopsideUT

San Francisco Mountains

San Francisco Mountains is a documented mineral occurrence near UT. Reported specimens include Diopside, Fluorite, Galena, Garnet, Pyrite, Scheelite, Sphalerite, Apatite, Biotite, Chlorite, Goethite, Copper, Magnetite, Quartz, Zircon. Verify land access and collecting rules before visiting.

Fee variesUtah

Twin Peak — andesine rockhounding site near Utah, UT

AndesineUT

Twin Peak

Twin Peak is a documented mineral occurrence near UT. Reported specimens include Andesine, Apatite, Augite, Biotite, Magnetite. Verify land access and collecting rules before visiting.

Fee variesUtah

Willard — stibnite rockhounding site near Utah, UT

StibniteUT

Willard

Willard is a documented mineral occurrence near UT. Reported specimens include Stibnite, Galena, Hematite, Limonite, Azurite, Magnetite, Malachite, Muscovite. Verify land access and collecting rules before visiting.

Fee variesUtah

Ashland Mill — mica rockhounding site near Virginia, VA

MicaVA

Ashland Mill

Ashland Mill is a documented mineral occurrence near VA. Reported specimens include Mica, Quartz, Moonstone, Amazonite, Feldspar, Gem Kyanite, Rutile. Verify land access and collecting rules before visiting.

Fee variesVirginia

Chestnut Mountain — garnet rockhounding site near Virginia, VA

GarnetVA

Chestnut Mountain

Chestnut Mountain is a documented mineral occurrence near VA. Reported specimens include Garnet, Biotite, Quartz crystals, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesVirginia

Morefield Gem Mine — amazonite rockhounding site near Virginia, VA

AmazoniteVA

Morefield Gem Mine

Morefield Gem Mine is a documented mineral occurrence near VA. Reported specimens include Amazonite, Amethyst, Topaz, Mica. Verify land access and collecting rules before visiting.

Fee variesVirginia

Bennington — quartz rockhounding site near Vermont, VT

QuartzVT

Bennington

Bennington is a documented mineral occurrence near VT. Reported specimens include Blue Quartz, cabochon material, Garnet, Feldspar, Biotite, Hornblende. Verify land access and collecting rules before visiting.

Fee variesVermont

Lake Willoughby — muscovite rockhounding site near Vermont, VT

MuscoviteVT

Lake Willoughby

Lake Willoughby is a documented mineral occurrence near VT. Reported specimens include Muscovite, Beryl, Garnet, Idocrase crystals. Verify land access and collecting rules before visiting.

Fee variesVermont

Perkinsville — mineral rockhounding site near Vermont, VT

MineralVT

Perkinsville

Perkinsville is a documented mineral occurrence near VT. Reported specimens include Pyrite, Pyrrhotite, Chlorite, Ilmenite, Smoky Quartz, Calcite, Actinolite, Biotite. Verify land access and collecting rules before visiting.

Fee variesVermont

Area Near Jennings Falls Trailhead — albite rockhounding site near Wisconsin, WI

AlbiteWI

Area Near Jennings Falls Trailhead

Area Near Jennings Falls trailhead is a documented mineral occurrence near WI. Reported specimens include Albite, Beryl, Columbite-Tantalite, Elbaite, Microcline, Muscovite, Triphylite. Verify land access and collecting rules before visiting.

Fee variesWisconsin

General Area — almandite rockhounding site near Wisconsin, WI

AlmanditeWI

General Area

General Area is a documented mineral occurrence near WI. Reported specimens include Almandite, Biotite, Kyanite, Muscovite, Quartz, Plagioclase, Sillimanite, Staurolite. Verify land access and collecting rules before visiting.

Fee variesWisconsin

Jackson Co. Iron Mine Dumps — actinolite rockhounding site near Wisconsin, WI

ActinoliteWI

Jackson Co. Iron Mine Dumps

Jackson Co. Iron Mine dumps is a documented mineral occurrence near WI. Reported specimens include Actinolite, Almandine, Andalusite, Biotite, Kyanite, Magnetite, Sillimanite. Verify land access and collecting rules before visiting.

Fee variesWisconsin

New Martinsville — muscovite rockhounding site near West Virginia, WV

MuscoviteWV

New Martinsville

New Martinsville is a documented mineral occurrence near WV. Reported specimens include Muscovite. Verify land access and collecting rules before visiting.

Fee variesWest Virginia

Atlantic City — agate rockhounding site near Wyoming, WY

AgateWY

Atlantic City

Atlantic City is a documented mineral occurrence near WY. Reported specimens include Agate, Chalcedony, Gold, Nephrite jade, Jade, Jasper, Muscovite, Quartz crystals, Agatized wood, Opalized wood, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesWyoming

Copper Mountain #2 — beryl rockhounding site near Fremont, WY

BerylWY

Copper Mountain #2

Copper Mountain #2 is a historic mining site in Fremont, Wyoming, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Mica.

Fee variesFremont

Ione Prospect — beryl rockhounding site near Albany, WY

BerylWY

Ione Prospect

Ione Prospect is a known mineral occurrence in Albany, Wyoming, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Feldspar, Garnet, Mica.

Fee variesAlbany

Many Values Pegmatite Prospect — beryl rockhounding site near Albany, WY

BerylWY

Many Values Pegmatite Prospect

Many Values Pegmatite Prospect is a historic mining site in Albany, Wyoming, documented by the USGS Mineral Resources Data System. Reported specimens include Beryl, Garnet, Mica.

Fee variesAlbany

Muscovite Claim — feldspar rockhounding site near Albany, WY

FeldsparWY

Muscovite Claim

Muscovite Claim is a historic mining site in Albany, Wyoming, documented by the USGS Mineral Resources Data System. Reported specimens include Feldspar, Garnet, Mica, Pumice, Wolframite.

Fee variesAlbany

Shoshoni — aquamarine rockhounding site near Wyoming, WY

AquamarineWY

Shoshoni

Shoshoni is a documented mineral occurrence near WY. Reported specimens include Aquamarine, Beryl, Feldspar crystals, Muscovite. Verify land access and collecting rules before visiting.

Fee variesWyoming

FAQ

Where to find mica in the United States?

Look in pegmatite districts — South Dakota Black Hills mica lodes, New England sheet-mica country including Maine’s Mount Mica district, Maryland historic mica mine listings, and North Carolina mica belts. Open the map below for GPS and access notes.

Can I collect mica on public land?

Some BLM and Forest Service pegmatite areas allow casual personal collecting within limits. Historic sheet-mica mines are often private or closed — always verify ownership and never enter unsafe underground workings.

What is the difference between muscovite and biotite?

Muscovite is light silvery mica; biotite is dark brown to black. Both peel into sheets. Collectors often prefer large clear muscovite books.

Related: pay-to-dig sites, agates in the USA, geodes near me.