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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
| Bob Werner (2009) Mineral News, 25, #11, 1-5. (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. NBMG Bull 73 Geology and Mineral Resources of Lincoln County, Nevada |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. NBMG Bull 73 Geology and Mineral Resources of Lincoln County, Nevada |
| USGS website : http://mrdata.usgs.gov/sedznpb/show-sedznpb.php?rec_id=480 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Species confirmed by Robert (Bob) Werner, Geologist and Mining Engineer, Pioche, Nevada |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Knopf, Adolph (1932) Geology and ore deposits of the Pioche district, Nevada. USGS Professional Paper No. 171 79 p. Westgate, L. G. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |