Pyrargyrite from Granite County, Montana, USA
USA | |
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. Prinz, W. C. (1967): Geology and Ore Deposits of the Philipsburg District, Granite Co., Montana.Geological Survey Bulletin. 1237, 66p. |