Plagioclase from selected localities.
USA | |
| Rutgers Univ. Bull. #5, Pt 1: 42. |
| U.S. Geological Survey (2005) Mineral Resources Data System; U.S. Geological Survey, Reston, Virginia : Deposit I.D. 10082372 |
USA | |
| Rutgers Univ. Bull. #5, Pt 1: 42. |
| U.S. Geological Survey (2005) Mineral Resources Data System; U.S. Geological Survey, Reston, Virginia : Deposit I.D. 10082372 |