Where to Find Martite in the United States
1 mapped martite spots across 1 U.S. states. Martite 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 martite across the United States, with 1 mapped spots
Top states for martite
States ranked by number of martite spots in our database. States in bold link to a focused martite-in-state list.
Every martite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Arnold Hill Mine | Clinton County | 44.4894, -73.6272 | Public |
Martite rockhounding FAQ
Where is the best place to find martite in the U.S.?+
New York have the highest concentrations of martite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many martite rockhounding spots does RockHoundR track?+
1 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect martite on public land?+
Casual hand collecting of common rocks and minerals like martite 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 martite in the field?+
Field identification of martite 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 martite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
