Richville: Moonstone & Diopside Rockhounding in Saint Lawrence County, New York
- Minerals reported
- 3
- Elevation
- 450 ft
- Best months
- April to November
Richville is a mapped rockhounding spot in Saint Lawrence County, New York. Reported finds include moonstone, diopside, brown tourmaline. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Generally open to casual rockhounding
- County
- Saint Lawrence County
- State
- New York
- Nearest road
- Dailey Road
- Postcode
- 13642
- Coordinates
- 44.38131, -75.46839
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Best time to visit Richville
Comfortable months (45 to 90°F highs)
Best months: April to November. Typical highs run 79°F in midsummer and 26°F in midwinter, with winter lows near 5°F.
Climate normals: NOAA 1991-2020 monthlies, GOUVERNEUR 3 NW station (3 mi away).
Geology at Richville
This spot sits on Calcitic and dolomitic marble, mapped as marble that formed roughly 1600 to 1000 million years ago. Metamorphic belts like this often host pegmatite dikes, the coarse-crystal bodies that typically carry beryl, tourmaline, and sheet mica.
- Mapped unit
- Calcitic and dolomitic marble
- Age
- 1600–1000 Ma (Mesoproterozoic)
- Rock types
- marble
- Elevation
- 450 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Today's weather
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The app shows live weather, recent rain, and a daily rockhounding score for Richville.
Get the appSources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
- New York State Museum, Geological Survey
- NYS DEC land use rules
- Herkimer Diamond Mines
- Community submissions reviewed against published agency rules
Found at Richville
Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Richville.
- Reese Farm/Dale Bush FarmSaint Lawrence County, New York · 3 mi awayDravite
- Oswegatchie River AreaSaint Lawrence County, New York · 4 mi awaySerpentine
- Rastley RoadSaint Lawrence County, New York · 4 mi awayFluorite
- Chub LakeSaint Lawrence County, New York · 7 mi awaySpecular Hematite
- FowlerSaint Lawrence County, New York · 8 mi awayGeode, Hematite, Barite
- Fowler BalmatSaint Lawrence County, New York · 8 mi awayGalena, Calcite, Magnetite
- Calvin Mitchell FarmSaint Lawrence County, New York · 8 mi awayDiopside
- BalmatSaint Lawrence County, New York · 9 mi awayAnthophyllite, Apatite, Talc
Richville FAQ
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More rockhounding in New York
See all 92 New York spots →Open Richville on the map
Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.



