Chalcopyrite from selected localities.
USA | |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| Rocks & Minerals: 67(6): 380-388.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
R&M 75:3 pp 156-169; USGS Prof Paper 297A |