Microcline from selected localities.
USA | |
| Rocks & Min.:58:109 & 64:150. |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109. |
Tim Lemke; Personally Collected by Tim Lemke 2013 | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109. |
| Rosemeyer, T. (2013) History and Mineralogy of the St. Louis Mine, Houghton County, Michigan. Rocks & Minerals: 88(5): 404-417. |
Osceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA