
Franklin Mineral Dump
Franklin and Ogdensburg are the world's premier fluorescent mineral locality with zinc ore minerals that glow under UV light.
View details114 rockhounding collecting destinations in New Jersey.
Interactive pins for coordinate-verified, indexable listings in New Jersey. Click a marker for the full site page.
72 mapped sites shown · list continues below
Use this page as your New Jersey rockhounding map — New Jersey has 114 rockhounding sites in our directory, including 8 quartz & crystals, 20 agate & jasper, 2 gemstones, 40 fossils, 2 gold & minerals. Use rockhounding sites near me for live distance sorting or browse by city.
Near major cities: Jersey Shore · South Jersey · Trenton
By specimen type: Quartz & Crystals (8) · Agate & Jasper (20) · Fossils (40) · Other (42)
Our New Jersey rockhounding map lists 114 cataloged sites with GPS, fees, and specimen types at /states/new-jersey/. Filter by type or use near-me GPS sorting from your location.
Yes — the New Jersey state hub at /states/new-jersey/ works as your rockhounding map with every listing, featured sites, and links to specimen-type subsets.
Specimens vary by region — browse the New Jersey map for quartz, agate, geodes, fossils, and gems. Each listing notes primary targets and access rules.
Compared day-trip gear for New Jersey rockhounding sites — side-by-side tables for the hike in, sun, and sun, tools, and the approach hike.
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Most-searched spots — open each listing for directions, fees, and safety notes.

Franklin and Ogdensburg are the world's premier fluorescent mineral locality with zinc ore minerals that glow under UV light.
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Sterling Hill mine museum offers underground tours and dump collecting for fluorescent minerals from the same zinc ore body as Franklin.
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Wave-polished quartz pebbles called Cape May diamonds concentrate on southern New Jersey beaches along Delaware Bay.
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3M Quarry is a documented mineral occurrence near NJ. Reported specimens include Quartz, Agate, Jasper, Quartz family minerals. Verify land access and collecting rules before visiting.
View details![6 Miles Northwest Of Freehold [amnh + Ypm] — fossil rockhounding site near New Jersey, NJ](/images/locations/fallback/fossils-card.webp)
Fossil collection site in the Merchantville, Monmouth County, New Jersey. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, New Jersey. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, New Jersey. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, New Jersey. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, New Jersey. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Kirkwood, Atlantic County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Atlantic County is a documented mineral occurrence near NJ. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Barnardsville is a documented mineral occurrence near NJ. Reported specimens include Agate, Geodes, Quartz. Verify land access and collecting rules before visiting.
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Fossil collection site in the Tinton beds, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Belle Mountain is a documented mineral occurrence near NJ. Reported specimens include Many gem-quality mineral varieties. Verify land access and collecting rules before visiting.
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Bemco Prospect is a historic mining site in Sussex, New Jersey, documented by the USGS Mineral Resources Data System. Reported specimens include Iron, Zircon.
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Bergen County is a documented mineral occurrence near NJ. Reported specimens include Agate, Amethyst, Carnelian, Chalcedony, Datolite, Natrolite, Common Opal, Fire Opal. Verify land access and collecting rules before visiting.
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Bergen Hill by Hudson River is a documented mineral occurrence near NJ. Reported specimens include Banded Agate, Albite, Amethyst, Analcime, Apatite, Calcite crystals, Datolite, Epidote, Galena, Malachite, Common Opal, Fire Opal, Quartz crystals, Siderite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Navesink, Monmouth County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Bound Brook is a documented mineral occurrence near NJ. Reported specimens include Agate, Bornite, Calcite, Chalcocite, Copper, Silver, Prehnite, Quartz crystals, Cuprite, Malachite, Tourmaline. Verify land access and collecting rules before visiting.
View details![Brandywine Lighthouse Well, 45-82 Ft [cape May Fm] — fossil rockhounding site near New Jersey, NJ](/images/locations/fallback/fossils-card.webp)
Fossil collection site in the Cape May, Cape May County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Bridgeport & Gibbstown is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Fossil collection site in the Kirkwood, Atlantic County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Burlington is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Burlington County is a documented mineral occurrence near NJ. Reported specimens include Jasper, Stripped Agate, Clear Agate, Amber. Verify land access and collecting rules before visiting.
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Fossil collection site in the Marshalltown, Burlington County, New Jersey. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, Camden County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Camden County is a documented mineral occurrence near NJ. Reported specimens include Jasper, Stripped Agate, Clear Agate, Amber. Verify land access and collecting rules before visiting.
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Cape May is a documented mineral occurrence near NJ. Reported specimens include Quartz crystals, Chalcedony. Verify land access and collecting rules before visiting.
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Fossil collection site in the Kirkwood, Cape May County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Wave-polished quartz pebbles called Cape May diamonds concentrate on southern New Jersey beaches along Delaware Bay.
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Chestnut Creek is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Clinton is a documented mineral occurrence near NJ. Reported specimens include Braunite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Hornerstown, Monmouth County, New Jersey. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Crosswick’s Creek is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Franklin is a documented mineral occurrence near NJ. Reported specimens include Many, many minerals, some rare and/or fluorescent. Verify land access and collecting rules before visiting.
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Franklin (minerals) is a documented mineral occurrence near NJ. Reported specimens include Apatite, Azurite, Cerussite, Corundum, Franklinite, Galena. Verify land access and collecting rules before visiting.
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Franklin Furnace is a documented mineral occurrence near NJ. Reported specimens include Fluorite, Franklinite, Magnetite, Tephroite, Willemite, Zincite. Verify land access and collecting rules before visiting.
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Franklin and Ogdensburg are the world's premier fluorescent mineral locality with zinc ore minerals that glow under UV light.
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Franklin-Ogdensburg-Sterling Hill mining district is a documented mineral occurrence near NJ. Reported specimens include Dozens or hundreds of mineral varieties, some gem-quality. Verify land access and collecting rules before visiting.
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General Area (Hudson/Passaic) is a documented mineral occurrence near NJ. Reported specimens include Banded Agate, Albite, Amethyst, Analcime, Apatite, Calcite crystals, Datolite, Epidote, Galena, Malachite, Common Opal, Fire Opal, Quartz crystals, Siderite. Verify land access and collecting rules before visiting.
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Goat Hill is a documented mineral occurrence near NJ. Reported specimens include Pectolite, Stilpnomelane. Verify land access and collecting rules before visiting.
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Haddonfield - where first dino was discovered in US is a documented rockhounding destination in NJ. 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.
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Hadrosaurus (the first mounted skeleton) is a documented rockhounding destination in NJ. 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.
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Haledon is a documented mineral occurrence near NJ. Reported specimens include Agate, Datolite crystals, Pyrolusite, Goethite. Verify land access and collecting rules before visiting.
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Harrisonville is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Hibernia is a documented mineral occurrence near NJ. Reported specimens include Apatite, Pyrite, Pyrrhotite. Verify land access and collecting rules before visiting.
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Hoboken is a documented mineral occurrence near NJ. Reported specimens include Agate, Amethyst, Common Opal, Fire Opal. Verify land access and collecting rules before visiting.
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Hopewell is a documented mineral occurrence near NJ. Reported specimens include Many gem-quality mineral varieties. Verify land access and collecting rules before visiting.
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Houdaille Quarry is a documented mineral occurrence near NJ. Reported specimens include Agate, Prehnite, Amethyst. Verify land access and collecting rules before visiting.
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Fossil collection site, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, New Jersey. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Jean & Ric Edelman Fossil Park is a documented mineral occurrence near NJ. Reported specimens include Amber, Fossils. Verify land access and collecting rules before visiting.
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Kingston is a documented mineral occurrence near NJ. Reported specimens include Agate, Prehnite, Quartz crystals. Verify land access and collecting rules before visiting.
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Lambertville is a documented mineral occurrence near NJ. Reported specimens include Axinite crystals, Tourmaline. Verify land access and collecting rules before visiting.
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Lambertville Quarry is a documented mineral occurrence near NJ. Reported specimens include Axinite, Datolite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Merchantville, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, Ocean County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Long Branch is a documented mineral occurrence near NJ. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Fossil collection site, Burlington County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, Gloucester County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Manasquan, Monmouth County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Manasquan is a documented mineral occurrence near NJ. Reported specimens include Quartz crystals, Fossils, Petrified wood. Verify land access and collecting rules before visiting.
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Fossil collection site in the Kirkwood, Cumberland County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Mine Hill (axinite) is a documented mineral occurrence near NJ. Reported specimens include Axinite. Verify land access and collecting rules before visiting.
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Mine Hill (bornite) is a documented mineral occurrence near NJ. Reported specimens include Bornite, Calcite, Chalcopyrite, Chlorite, Garnet, Hematite, Magnetite, Pyrite crystals, Quartz crystals, Spinel, Sunstone, Tremolite. Verify land access and collecting rules before visiting.
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Mine Hill (feldspar) is a documented mineral occurrence near NJ. Reported specimens include Feldspar, Sunstone. Verify land access and collecting rules before visiting.
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Montville is a documented mineral occurrence near NJ. Reported specimens include Serpentine. Verify land access and collecting rules before visiting.
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Morris County is a documented mineral occurrence near NJ. Reported specimens include Prehnite, other gem-quality minerals. Verify land access and collecting rules before visiting.
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Mount Hope is a documented mineral occurrence near NJ. Reported specimens include Apatite, Pyrite, Pyrrhotite. Verify land access and collecting rules before visiting.
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Mt. Freedom is a documented mineral occurrence near NJ. Reported specimens include Allanite, Amphibole, Augite, Chalcopyrite, Chondrodite, Coccolite crystals. Verify land access and collecting rules before visiting.
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Mt. Gilboa is a documented mineral occurrence near NJ. Reported specimens include Many gem-quality mineral varieties. Verify land access and collecting rules before visiting.
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Mullica Hill is a documented mineral occurrence near NJ. Reported specimens include Amber, Fossils. Verify land access and collecting rules before visiting.
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Fossil collection site, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Raritan, Middlesex County, New Jersey. Environment: delta plain. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Nolands Point is a documented mineral occurrence near NJ. Reported specimens include Garnet. Verify land access and collecting rules before visiting.
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Ocean County is a documented mineral occurrence near NJ. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Oldman’s Creek is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Oxford Furnace mining dumps is a documented mineral occurrence near NJ. Reported specimens include Magnetite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Hornerstown, Burlington County, New Jersey. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Pennington Mountain is a documented mineral occurrence near NJ. Reported specimens include Many gem-quality mineral varieties. Verify land access and collecting rules before visiting.
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Phillipsburg is a documented mineral occurrence near NJ. Reported specimens include Serpentine, Soapstone. Verify land access and collecting rules before visiting.
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Pompton Lakes is a documented mineral occurrence near NJ. Reported specimens include Banded Agate, Amethyst, Barite, Calcite, Chalcedony, Cuprite, Datolite, Dolomite, Galena, Goethite, Hematite, Opal, Prehnite, Quartz, Silver. Verify land access and collecting rules before visiting.
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Pompton River is a documented mineral occurrence near NJ. Reported specimens include Gemstones. Verify land access and collecting rules before visiting.
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Prospect Park Quarry is a documented mineral occurrence near NJ. Reported specimens include Banded Agate, Amethyst, Barite, Calcite, Chalcedony, Cuprite, Datolite, Dolomite, Galena, Goethite, Hematite, Opal, Prehnite, Quartz, Silver. Verify land access and collecting rules before visiting.
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Fossil collection site in the Raritan, Sayreville County, New Jersey. Environment: pond. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Magothy, Sayreville County, New Jersey. Environment: pond. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Magothy, Sayreville County, New Jersey. Environment: pond. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Vincentown, Burlington County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Ringwood is a documented mineral occurrence near NJ. Reported specimens include Calcite, Chalcopyrite, Corundum, Epidote, Garnet, Hornblende, Pyrite, Serpentine, Zircon. Verify land access and collecting rules before visiting.
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Rock Hill Quarry is a documented mineral occurrence near NJ. Reported specimens include Albite, Chalcocite, Chrysocolla, Galena, Goethite, Malachite, Prehnite, Quartz gemstones, Tourmaline. Verify land access and collecting rules before visiting.
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Salem County is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Sayreville is a documented mineral occurrence near NJ. Reported specimens include Marcasite, Pyrite crystals, Petrified wood. Verify land access and collecting rules before visiting.
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Fossil collection site in the Kirkwood, Cape May County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Shark River is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Snake Hill is a documented mineral occurrence near NJ. Reported specimens include Banded Agate, Albite, Amethyst, Analcime, Apatite, Calcite crystals, Datolite, Epidote, Galena, Malachite, Common Opal, Fire Opal, Quartz crystals, Siderite. Verify land access and collecting rules before visiting.
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Somerville is a documented mineral occurrence near NJ. Reported specimens include Agate, Albite, Datolite, Copper, Silver, Quartz crystals, Serpentine. Verify land access and collecting rules before visiting.
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Sparta is a documented mineral occurrence near NJ. Reported specimens include Chondrodite, Corundum, Ruby, Diopside, Microcline, Tremolite. Verify land access and collecting rules before visiting.
View details![Spring Hill Creek, Hedding [merchantville Fm] — fossil rockhounding site near New Jersey, NJ](/images/locations/fallback/fossils-card.webp)
Fossil collection site in the Merchantville, Burlington County, New Jersey. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Sterling Hill mine museum offers underground tours and dump collecting for fluorescent minerals from the same zinc ore body as Franklin.
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Stirling is a documented mineral occurrence near NJ. Reported specimens include Carnelian. Verify land access and collecting rules before visiting.
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Sulphur Hill Mine is a documented mineral occurrence near NJ. Reported specimens include Willemite. Verify land access and collecting rules before visiting.
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The Palisades is a documented mineral occurrence near NJ. Reported specimens include Banded Agate, Albite, Amethyst, Analcime, Apatite, Calcite crystals, Datolite, Epidote, Galena, Malachite, Common Opal, Fire Opal, Quartz crystals, Siderite. Verify land access and collecting rules before visiting.
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Fossil collection site, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, Ocean County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Turkey Mountain General Area is a documented mineral occurrence near NJ. Reported specimens include Diopside, Marble, Serpentine. Verify land access and collecting rules before visiting.
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Union County is a documented mineral occurrence near NJ. Reported specimens include Agate, Apophyllite, Albite, Bornite, Chalcedony, Datolite, Galena, Hematite, Opal. Verify land access and collecting rules before visiting.
View details![Usgs D9715, Oschwald's Clay Pit [merchantville Fm] — fossil rockhounding site near New Jersey, NJ](/images/locations/fallback/fossils-card.webp)
Fossil collection site in the Merchantville, Monmouth County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Raritan, Middlesex County, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, New Jersey. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Vincentown is a documented mineral occurrence near NJ. Reported specimens include Amber. Verify land access and collecting rules before visiting.
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Warren Township is a documented mineral occurrence near NJ. Reported specimens include Banded Agate, Moss Agate, Chalcedony, Jasper, Petrified wood, Quartz crystals, Amethyst, Citrine, Sard. Verify land access and collecting rules before visiting.
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Washington Crossing State Park is a documented mineral occurrence near NJ. Reported specimens include Black Jasper. Verify land access and collecting rules before visiting.
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Mesozoic Watchung basalt flows of the Newark basin contain amygdule fillings of zeolite and prehnite in road cuts across northern New Jersey.
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Fossil collection site in the Wenonah, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Navesink, Gloucester County, New Jersey. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the New Egypt, Gloucestershire County, New Jersey. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, New Jersey. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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