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Amity: Blue Corundum & White Corundum Rockhounding in Orange County, New York

Updated July 2026

Amity is a classic Orange County contact-metamorphic locality where blue and white corundum, spinel, and fluorite occur in the crystalline limestone belt. It is one of the oldest documented mineral collecting spots in the state and still produces gem-species corundum. Reported finds include blue corundum, white corundum, fluorite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Amity photos

Public image records connected to this spot or its reported material.

1 photo

Representative corundum crystals, the gem species found in the crystalline limestone belt at Amity, New York

Quick details

Access: Public area
County: Orange County
State: New York
Nearest road: Timlow Lane
Postcode: 10990
Coordinates: 41.26831, -74.45504

Geology at Amity

This spot sits on Calcitic and dolomitic marble, mapped as marble that formed roughly 1600 to 1000 million years ago. Metamorphic terrain like this commonly hosts vein and replacement mineralization, and old workings typically mark the productive zones.

Mapped unit: Calcitic and dolomitic marble
Age: 1600–1000 Ma (Mesoproterozoic)
Rock types: marble
Elevation: 520 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 Amity

Best months: March to November. Typical highs run 84°F in midsummer and 35°F in midwinter, with winter lows near 17°F.

Climate normals: NOAA 1991-2020 monthlies, SUSSEX 1 NW station (9 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 Amity

Each chip 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 Amity.

Across the state line from Amity

Amity is close enough to the New York border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Amity FAQ

Where is Amity?+

Amity is in Orange County, New York, at 41.26831, -74.45504. Nearest road: Timlow Lane.

What rocks and minerals can you find at Amity?+

Amity is reported to produce Blue Corundum, White Corundum, Fluorite.

Is collecting allowed at Amity?+

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. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Amity?+

A rock hammer, gloves, and safety glasses cover old mining-district ground. Stay out of shafts and adits; the best specimens typically come from dump piles.

When is the best time to visit Amity?+

The most comfortable months at Amity are March to November.

How do I get to Amity?+

Open the directions link to navigate to 41.26831, -74.45504 in Google Maps. The nearest road is Timlow Lane.

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