Muscovite from selected localities.
USA | |
| [var: Sericite] U.S. Geological Survey Professional Paper 1753 |
| Rocks & Minerals 70:180-187 |
[var: Sericite] U.S. Geological Survey Professional Paper 1753 |
USA | |
| [var: Sericite] U.S. Geological Survey Professional Paper 1753 |
| Rocks & Minerals 70:180-187 |
[var: Sericite] U.S. Geological Survey Professional Paper 1753 |