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