Calcite from selected localities.
USA | |
| Econ Geol (1987) 82:1377-1385 |
U.S. Geological Survey,2005, Mineral Resources Data System: U.S Geological Survey,Reston, Virginia |
USA | |
| Econ Geol (1987) 82:1377-1385 |
U.S. Geological Survey,2005, Mineral Resources Data System: U.S Geological Survey,Reston, Virginia |