Sericite from Keweenaw County, Michigan, USA
USA | |
| USGS PP144 |
USGS PP144 | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. |
USA | |
| USGS PP144 |
USGS PP144 | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. |