Proustite from selected localities.
USA | |
| U.S. Geological Survey Professional Paper 223 |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223 |
| Dana 6:A2:83; Amer. Jour. Sci.:25:507 (1908). |