Pyrite from selected localities.
USA | |
| Lindgren, W. and Ransome, F.L. (1906) Geology and gold deposits of the Cripple Creek district, Colorado. United States Geological Survey Professional Paper 54: 372-373. |
| Carnein, C., Bartos, P. (2005) The Cripple Creek Mining District Colorado. The Mineralogical Record: 36(2): 143-185. |
Min Rec 36:2 pp143-185 | |
Min Rec 36:2 pp143-185 | |
U.S. Geological Survey Professional Paper 223 |
Blue Bird Mine, Bull Hill, Cripple Creek Mining District, Teller County, Colorado, USA