Pyrite from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41, 42, 44. |
| Pampeyan, Earl Haig (1963), Geology and mineral deposits of Mount Diablo, Contra Costa County, California: California Division Mines & Geology, Special Report 80, 31 pp.: 22; USGS MRDS database (2005), loc. file ID #10029554. |
Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA