Opal from Mineral County, Nevada, USA
USA | |
| King, Van (n.d.) Personal communcation. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Ross, Donald C. (1961) Geology and mineral deposits of Mineral County, Nevada. Bulletin 58. Nevada Bureau of Mines |
| Ross, Donald C. (1961) Geology and mineral deposits of Mineral County, Nevada. Bulletin 58. Nevada Bureau of Mines |
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Fishlake Valley, Mineral County, Nevada, USA