Pyrite from selected localities.
USA | |
| Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt, North Carolina: NCGS Bulletion 84 |
USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
USGS Prof Paper 610 "Principal Gold Producing Districts of the United States" |