Cummingtonite from selected localities.
USA | |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. & 61:328. |
| Dana Slaughter collection-XRD |
USA | |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. & 61:328. |
| Dana Slaughter collection-XRD |