Muscovite from selected localities.
USA | |
| [var: Sericite] NMGS 21st Field Conference |
[var: Sericite] NMBMMR OFR 166 | |
[var: Sericite] U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
[var: Sericite] U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |