AgateNJ
Barnardsville
Barnardsville is a documented mineral occurrence near NJ. Reported specimens include Agate, Geodes, Quartz. Verify land access and collecting rules before visiting.
View detailsAgate & Jasper rockhounding sites in New Jersey
Where to find agates and jasper in the U.S. — Lake Superior beaches, Ellensburg blue, Wyoming Sweetwater fields, Texas Terlingua, Mojave desert beds, and colorful chalcedony shorelines.
20 agate & jasper destinations in New Jersey.
Rockhounding sites in New Jersey — agate & jasper: 20 spots in our directory. Sort live from your phone with near me, or browse all U.S. agate & jasper rockhounding sites and the New Jersey state page.
Agate & Jasper collecting in New Jersey
Where to find agates and jasper in the U.S. — Lake Superior beaches, Ellensburg blue, Wyoming Sweetwater fields, Texas Terlingua, Mojave desert beds, and colorful chalcedony shorelines.
We currently document 20 agate & jasper collecting sites in New Jersey. Each listing includes original descriptions, visitor notes, and last-updated dates when available.
What to know before you collect
Agate & Jasper destinations in New Jersey vary widely in access, season, and legality. Some are official recreation areas; others are informal gravel bars. Read the access and safety sections on each listing — never assume collecting is allowed without checking current signage.
For trip planning beyond this filter, browse the full New Jersey state page, our guides, or use near me to sort by distance from your location.
AgateNJ
Bergen County
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
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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Bound Brook
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.
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Burlington County
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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Camden County
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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General Area (hudson/passaic)
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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Haledon
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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Hoboken
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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Houdaille Quarry
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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Kingston
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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Pompton Lakes
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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Prospect Park Quarry
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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Snake Hill
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
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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Stirling
Stirling is a documented mineral occurrence near NJ. Reported specimens include Carnelian. Verify land access and collecting rules before visiting.
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The Palisades
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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Union County
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.
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Warren Township
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
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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