Rockhounding in Providence County, Rhode Island
9 mapped rockhounding spots in Providence County. Most commonly produces quartz, agate, amethyst, jasper.
Providence County rockhounding photos
Representative spot and material photos from this county, shown where verified public image records are available.
Map showing 9 rockhounding spots in Providence County, Rhode Island
Minerals reported in Providence County
Standouts in Providence County
Hand-picked spots in Providence County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.
Top pickJohnston
PublicProvidence County
The rock cuts and volcanic outcrops in Johnston, near the Route 6 and Interstate 295 corridor, have produced amethyst and clear to smoky quartz from vugs in the underlying felsic bedrock.
Amethyst
Top pickPawtuxet
PublicProvidence County
The Narragansett Bay beach gravels at Pawtuxet Village turn up agate, carnelian, amethyst, and jasper pebbles, the same chalcedony suite that washes out of the region's volcanic and glacial deposits.
Agate, Carnelian, Amethyst, Jasper
Top pickNorth Providence
PublicProvidence County
The serpentine belt running through northern Rhode Island is the home of bowenite, the state mineral, a hard translucent green serpentine close enough to jade to be cut as a gemstone.
Bowenite, Quartz, Serpentine
Top pickDiamond Hill Park, Cumberland
PublicProvidence County
Diamond Hill is a massive white quartz outcrop with a 350-foot vertical face, historically Rhode Island's most famous locality for milky and smoky quartz and the amethyst that gave the hill its name.
Amethyst, Quartz, Smoky Quartz
Spots in Providence County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Cumberland HillWoonsocket Industrial Highway | 41.9803, -71.4856 | Public | |
| Diamond Hill Park, Cumberland | 41.9740, -71.3461 | Public | |
| JohnstonBelfield Drive | 41.8367, -71.5210 | Public | |
| JohnstonApple Blossom Drive | 41.8433, -71.5244 | Public | |
| Moosup RiverGold Mine Road | 41.7656, -71.7684 | Public | |
| North ProvidenceValley Stream Drive | 41.9326, -71.4215 | Public | |
| PawtuxetSeaview Avenue | 41.7610, -71.3866 | Public | |
| ProvidenceWoonasquatucket River Greenway | 41.8241, -71.4616 | Public | |
| Sneech PondWestgate Road | 41.9854, -71.4532 | Public |
Neighboring counties in Rhode Island
Adjacent rockhounding counties, ranked by how close their centroids sit to Providence County. A natural extension if Providence County is already on your trip plan.
Across the state line from Providence County
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Rhode Island.
- Plymouth County~37 miMassachusetts · 2 spotsTop: Agate, Chalcedony, Jasper
- Southeastern Connecticut Planning Region~43 miConnecticut · 3 spotsTop: Apatite, Corundum, Iron Ore
- Norfolk County~44 miMassachusetts · 1 spotTop: Epidote, Jasper
- Worcester County~49 miMassachusetts · 4 spotsTop: Beryl, Chalcopyrite, Muscovite
Providence County FAQ
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