Quartz, Feldspar Mines
10Total Sites
0Active
Top States
| State | Sites |
|---|---|
| Colorado | 9 |
| New York | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Ashley Quarry | New York | Washington | Past Producer |
| Big Bertha Mine | Colorado | Jefferson | Past Producer |
| Cooper Quarry | Colorado | Jefferson | Past Producer |
| I. Kreiner Mine | Colorado | Saguache | Past Producer |
| Madonna No. 2 | Colorado | Jefferson | Past Producer |
| Quarry | Colorado | Saguache | Past Producer |
| Rooftop #1 | Colorado | Gunnison | Occurrence |
| Skeleton No. 2 Quarry | Colorado | Douglas | Past Producer |
| Unknown | Colorado | Saguache | Prospect |
| Unknown | Colorado | Boulder | Occurrence |