Where to Find Anthophyllite in the United States

2 mapped anthophyllite spots across 2 U.S. states. Anthophyllite is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.

Learn about anthophyllite: properties & identification →

Map showing where to find anthophyllite across the United States, with 2 mapped spots

Top states for anthophyllite

States ranked by number of anthophyllite spots in our database. States in bold link to a focused anthophyllite-in-state list.

Every anthophyllite spot we track

Sorted by state and county. Coordinates open in Google Maps.

SpotCountyMineralsCoordinatesAccess
Coffee CreekState Route 3Trinity County41.0835, -122.7051Public
BalmatSaint Lawrence County44.2679, -75.3862Public

Anthophyllite rockhounding FAQ

Where is the best place to find anthophyllite in the U.S.?+
California, New York have the highest concentrations of anthophyllite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many anthophyllite rockhounding spots does RockHoundR track?+
2 mapped spots across 2 states. The app keeps these on a map alongside your private finds.
Can I legally collect anthophyllite on public land?+
Casual hand collecting of common rocks and minerals like anthophyllite is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always check with the managing agency before a trip.
How do I identify anthophyllite in the field?+
Field identification of anthophyllite comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.

Hunt anthophyllite on the map

Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.

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