Collins Hill: Apatite & Aquamarine Rockhounding in Lower Connecticut River Valley Planning Region, Connecticut
- Minerals reported
- 10
- Elevation
- 370 ft
Collins Hill is a mapped rockhounding spot in Lower Connecticut River Valley Planning Region, Connecticut. Reported finds include apatite, aquamarine, beryl, citrine, bismuthinite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Generally open to casual rockhounding
- State
- Connecticut
- Nearest road
- Rose Hill Road
- Postcode
- 06480
- Coordinates
- 41.58827, -72.59160
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.
Geology at Collins Hill
This spot sits on Collins Hill Formation, mapped as schist that formed roughly 470 to 445 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
- Collins Hill Formation
- Age
- 470–445 Ma (Middle Ordovician to Late Ordovician)
- Rock types
- schist
- Elevation
- 370 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 Collins Hill.
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.
- Connecticut Geological Survey
- CT DEEP state land rules
- Community submissions reviewed against published agency rules
Found at Collins Hill
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 Collins Hill.
- Pelton’s QuarryLower Connecticut River Valley Planning Region, Connecticut · 1 mi awayCitrine, Rose Quartz, Smoky Quartz
- Walden Gem QuarryLower Connecticut River Valley Planning Region, Connecticut · 2 mi awayAlbite, Aquamarine, Beryl
- Riverside QuarryLower Connecticut River Valley Planning Region, Connecticut · 2 mi awayAquamarine, Beryl
- Case QuarryLower Connecticut River Valley Planning Region, Connecticut · 2 mi awayAlbite, Microcline, Quartz
- White Rocks QuarryLower Connecticut River Valley Planning Region, Connecticut · 2 mi awayBeryl, Tourmaline
- Clark Hill QuarriesLower Connecticut River Valley Planning Region, Connecticut · 3 mi awayBeryl, Aquamarine, Garnet
- MiddletownLower Connecticut River Valley Planning Region, Connecticut · 3 mi awayGalena, Chalcopyrite, Sphalerite
- Hale’s Brook QuarriesLower Connecticut River Valley Planning Region, Connecticut · 3 mi awayBeryl, Pegmatite
Across the state line from Collins Hill
Collins Hill is close enough to the Connecticut border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Lane QuarryHampden County, Massachusetts · 37 mi awayAmethyst, Datolite, Prehnite
- BlandfordHampden County, Massachusetts · 44 mi awayBeryl, Feldspar
- Moosup RiverProvidence County, Rhode Island · 44 mi awayEpidote, Hornblende, Orthoclase
- MontgomeryHampden County, Massachusetts · 44 mi awayGalena
- WesterlySouth County, Rhode Island · 46 mi awayBeryl
- Norwich BridgeHampshire County, Massachusetts · 48 mi awayBeryl
Collins Hill FAQ
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More rockhounding in Connecticut
See all 55 Connecticut spots →
Open Collins Hill on the map
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