Calcite from Telluride Mining District, Colorado, USA
USA | |
| [var. Manganese-bearing Calcite] Rocks & Min 70:5 pp 298-310 |
| [var. Manganese-bearing Calcite] |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Rocks & Minerals 75:337 |
Telluride, Ophir Mining District, San Miguel County, Colorado, USA