Semiprecious Gemstone Mines in Montana
5Total Sites
1Active
Semiprecious Gemstone Mining in Montana
Montana has 5 semiprecious gemstone-related mine and mineral deposit locations recorded in federal databases. Of these, 1 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Carbon County | 2 |
| Beaverhead County | 1 |
| Powell County | 1 |
| Silver Bow County | 1 |
Semiprecious Gemstone Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Dryhead Agate Mine | Carbon | Surface | Producer |
| Glory Blue Chalcedony | Beaverhead | Surface | Unknown |
| Lost Jack | Carbon | Surface | Past Producer |
| Pohndorf Deposit | Silver Bow | Unknown | |
| Sugarloaf Mountain Prospect | Powell | Surface | Prospect |
All semiprecious gemstone mines nationwide → · All mines in Montana →