Pittsfield: Green Quartz Rockhounding in Berkshire County, Massachusetts

Quick details

Access

Public area

County

Berkshire County

State

Massachusetts

Nearest road

East New Lenox Road

Postcode

01201

Coordinates

42.41828, -73.22324

Geology at Pittsfield

This spot sits on Dalton Formation, mapped as quartzite that formed roughly 1000 to 510 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

Dalton Formation

Age

1000–510 Ma (Neoproterozoic to Early Cambrian)

Rock types

quartzite

Elevation

1,090 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.

Best time to visit Pittsfield

Best months: April to November. Typical highs run 80°F in midsummer and 30°F in midwinter, with winter lows near 14°F.

Climate normals: NOAA 1991-2020 monthlies, PITTSFIELD MUNI AP station (3 mi away).

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.

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Pittsfield

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

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