Manganite from selected localities.
USA | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. |
Ronald Bently collection specimen-[Rock Currier 2010] | |
D. Maietta - Collection. "Mineralogy of Michigan", E. W. Heinrich, 2001 (more well-known mines in vicinity) | |
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. | |
Mineralogy of Michigan (2004) Heinrich & Robinson |
Jackson Mine, Negaunee, Marquette County, Michigan, USA