Strengite from Esmeralda County, Nevada, USA
USA | |
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
| Excalibur Mineral Corporation specimens. |
USA | |
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
| Excalibur Mineral Corporation specimens. |
Candelaria Mining District, Esmeralda County, Nevada, USA