Chalcopyrite from selected localities.
USA | |
| Am Min 64:3-4 pp 446-448; Econ Geol (1984) 79:439-447 |
Minerals of Colorado (1997) E.B. Eckel; Economic Geology; December 1994; v. 89; no. 8; p. 1883-1905 | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Commodore Mine, Amethyst vein, Creede Mining District, Mineral County, Colorado, USA