Silver from selected localities.
USA | |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323. |
USA | |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323. |