Where to Find Polybasite in the United States
1 mapped polybasite spots across 1 U.S. states. Polybasite 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 polybasite across the United States, with 1 mapped spots
Top states for polybasite
States ranked by number of polybasite spots in our database. States in bold link to a focused polybasite-in-state list.
Every polybasite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| NeihartRock Creek Road | Cascade County |
| 46.9458, -110.7240 | Public |
Polybasite rockhounding FAQ
Where is the best place to find polybasite in the U.S.?+
Montana have the highest concentrations of polybasite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many polybasite 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 polybasite on public land?+
Casual hand collecting of common rocks and minerals like polybasite 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 polybasite in the field?+
Field identification of polybasite 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 polybasite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
