Muscovite from selected localities.
USA | |
| [var: Sericite] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| [var: Sericite] .www.Mcrocks.com |
USA | |
| [var: Sericite] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| [var: Sericite] .www.Mcrocks.com |