Silver from selected localities.
USA | |
| Rocks & Min.:58:109 & 64:150. |
Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227 | |
Rosemeyer, T. (2001) The Copper-Bearing Conglomerate Lodes of the Michigan Copper Country. Rocks & Minerals: 76(3): 156-188. | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109. |
Mineralogy of Michigan, 2004 | |
Yalmer Primeau Collection | |
| Rosemeyer, T. (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals: 80(3): 154-177. |
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109. | |
| The Copper Country Rock & Mineral Club (2001) Red Gold and Tarnished Silver, 2nd Ed. 44 pages. |
Osceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA