Bismuthinite from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223 |
| Minerals of Colorado (1997) Eckel, E. B.; U.S. Geological Survey Professional Paper 223; USGS Proffesional Paper 75 |