Snake Den State Park
Approximate — check official site before visiting
Rock cuts and volcanic outcrops near Route 6 and I-295 corridor producing amethyst and clear to smoky quartz from vugs in felsic bedrock.
🌐 Visit Official Site →🪨 What You Can Find Here
Amethyst
Purple quartz crystals found in geodes and pegmatites. Notable sources include Georgia, North Carolina, Pennsylvania, and Maine.
Also found at:
Quartz Crystals
Clear, smoky, and rose quartz crystals are among the most common and rewarding rockhounding finds. Arkansas produces world-class quartz.
Also found at:
📍 Nearby Locations in Rhode Island
Cumberlandite Beds
Cumberland, Rhode Island · Public Land
The only location in the world for cumberlandite (Rhode Island's state rock). A rare iron-rich igneous rock found only in a small area of RI.
Beavertail State Park Minerals
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Rocky shoreline for quartz veins and unusual metamorphic rock formations. Beavertail's geology is some of the oldest in the region.
Diamond Hill Quartz
Cumberland, Rhode Island · Public Land
Massive white quartz outcrop at Diamond Hill Park with a 350-foot vertical face. Historically RI's most famous locality for milky quartz, smoky quartz...
Mt. Hope Bay
Bristol, Rhode Island · Public Beach
Beach gravels rimming Mt. Hope Bay carry RI's fullest spread of chalcedony — red and green agate, carnelian, jasper, amethyst, and hematite plates. Ye...
Pawtuxet Village Beaches
Warwick, Rhode Island · Public Beach
Narragansett Bay beach gravels at Pawtuxet Village yielding agate, carnelian, amethyst, and jasper pebbles from volcanic and glacial deposits.
Bonnet Shore Beach
Narragansett, Rhode Island · Public Beach
Pegmatite outcrops along Bonnet Shores coast carrying beryl and quartz in coarse granitic pods — rare gem-family minerals in place on a public RI shor...
⛏️ Recommended Gear
Make the most of your visit to Snake Den State Park with the right equipment.
Rock Hammer
The most essential rockhounding tool. Choose a hammer with both a flat striking face and a pointed pick end.
Typical: $25-45
Safety Glasses
Mandatory protective gear. Rock chips fly unpredictably when hammering.
Typical: $10-20
Chisel Set
Cold chisels in 3-4 sizes for precise extraction from matrix rock.
Typical: $15-30
Geologist's Pick
A heavier crack hammer for splitting hard rock. Essential for hard rock mining areas.
Typical: $35-60
Sifting Screen
Stackable mesh screens for sifting gravel and dirt. Essential for gem and fossil hunting.
Typical: $20-40
UV Flashlight
Long-wave UV light for finding fluorescent minerals and Yooperlites.
Typical: $15-35