Pyrite from selected localities.
USA | |
| Laney, F.B.,(1917) the Geology and Ore Deposits of the Virginia District of Virginia and North Carolina ;NCGS Bulletion 26 |
| Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt, North Carolina : NCGS Bulletion 84 |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |