Oligoclase from selected localities.
USA | |
| Minerals of Virginia, 1990 by R. V. Dietrich |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Pegau, A. A. (1932). Pegmatite deposits of Virginia. Virginia Geological Survey Bulletin No. 33. | |
Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33. |