Where to Find Pyrrhotite in the United States
19 mapped pyrrhotite spots across 12 U.S. states. Pyrrhotite is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Map showing where to find pyrrhotite across the United States, with 19 mapped spots
Top states for pyrrhotite
States ranked by number of pyrrhotite spots in our database. States in bold link to a focused pyrrhotite-in-state list.
Every pyrrhotite spot we track
Sorted by state and county. Coordinates open in Google Maps.
Pyrrhotite rockhounding FAQ
Where is the best place to find pyrrhotite in the U.S.?+
Vermont, Idaho, Maine have the highest concentrations of pyrrhotite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many pyrrhotite rockhounding spots does RockHoundR track?+
19 mapped spots across 12 states. The app keeps these on a map alongside your private finds.
Can I legally collect pyrrhotite on public land?+
Casual hand collecting of common rocks and minerals like pyrrhotite 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 pyrrhotite in the field?+
Field identification of pyrrhotite 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.
