Diopside from Champion Mine, Champion, Marquette County, Michigan, USA
USA | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. & 61:328. |
USA | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. & 61:328. |