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Case Quarry: Albite & Microcline Rockhounding in Lower Connecticut River Valley Planning Region, Connecticut

Permission required9 mineralsLower Connecticut River Valley Planning Region, ConnecticutUpdated August 2026
Minerals reported
9
Elevation
270 ft
Best months
March to November

Case Quarry is a mapped rockhounding spot in Lower Connecticut River Valley Planning Region, Connecticut. Reported finds include albite, microcline, quartz, muscovite, schorl, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Permission required before collecting

Nearest road
East Cotton Hill Road
Postcode
06480

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

Land & collecting status

Permission required before collecting

Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.

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 Case Quarry

Comfortable months (45 to 90°F highs)

Best months: March to November. Typical highs run 84°F in midsummer and 36°F in midwinter, with winter lows near 19°F.

Climate normals: NOAA 1991-2020 monthlies, HARTFORD BRAINARD FLD station (9 mi away), adjusted for elevation.

Geology at Case Quarry

This spot sits on Glastonbury Gneiss, mapped as gneiss that formed roughly 470 to 460 million years ago. Metamorphic terrain like this typically carries quartz veins and sweats, and weathered crystals tend to end up in the soils and streams below.

Mapped unit
Glastonbury Gneiss
Age
470–460 Ma (Middle Ordovician)
Rock types
gneiss
Elevation
270 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 Case Quarry.

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Sources & 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.

Found at Case Quarry

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 Case Quarry.

Across the state line from Case Quarry

Case Quarry 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.

Case Quarry FAQ

Where is Case Quarry?+
Case Quarry is in Lower Connecticut River Valley Planning Region, Connecticut, at 41.62169, -72.58204. Nearest road: East Cotton Hill Road.
What rocks and minerals can you find at Case Quarry?+
Case Quarry is reported to produce Albite, Microcline, Quartz, Muscovite, Schorl, Beryl, Garnet, Bismuth, Uraninite.
Is collecting allowed at Case Quarry?+
Permission required before collecting. Requires landowner or agency permission before any collecting. Do not enter without explicit authorization. Always confirm current rules with the managing agency before a trip.
What tools should I bring to Case Quarry?+
A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.
When is the best time to visit Case Quarry?+
The most comfortable months at Case Quarry are March to November.
How do I get to Case Quarry?+
Open the directions link to navigate to 41.62169, -72.58204 in Google Maps. The nearest road is East Cotton Hill Road.

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