Muscovite from Ouray Mining District, Ouray County, Colorado, USA
USA | |
| [var. Sericite] U.S. Geological Survey Professional Paper 1753 |
| [var. Sericite] U.S. Geological Survey Professional Paper 1753 |
[var. Sericite] U.S. Geological Survey Professional Paper 1753 | |
[var. Sericite] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. | |
| Rocks & Minerals 70:180-187 |
[var. Sericite] U.S. Geological Survey Professional Paper 1753 |