Adularia from Centennial Heights, Calumet Township, Houghton County, Michigan, USA
USA | |
| Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297. |
USGS PP144 |
USA | |
| Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297. |
USGS PP144 |