Chalcopyrite from Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
USA | |
| Prinz, William C.(1967): Geology and Ore Deposits of the Philipsburg District, Granite Co., Montana. Geological Survey Bulletin. 1237, 66p |
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 |
| Excalibur Mineral Corp. specimen |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
Min News 21:7 p 1,3, 4 |