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USA | |
| Collected by Joe Marty. |
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
- Iron Point Mining District
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
- Bateman Canyon Mining District
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
- Birch Creek Mining District
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
| Rock Currier specimens. XRD by Anthony Kampf, Los Angeles Co. Museum of Natural History showed only variscite. |
- Yerington Mining District
| MarekC (2019) MSSC Fieldtrip Report. Yerington, NV, Sept 28, 2019. http://www.mineralsocal.org/fieldtrip-information-reports/yerington-area-nv-sept-28-2019/ |
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
Golconda Summit, Golconda Mining District, Humboldt County, Nevada, USA