Quartz from selected localities.
USA | |
| Rocks & Min.: 21:664. |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Rosemeyer, T. (2022). News from the Keweenaw: Part 5—Recent Mineral Finds in Michigan’s Copper Country: Twenty-ninth in a series of articles on the mines and minerals of Michigan’s Copper Country. Rocks & Minerals, 97(4), 354-363. | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
USGS PP144 | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS PP144 | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. |
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297. | |
[Chalcedony var: Agate] Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Rocks & Min.: 21:664; 58:111. |
Yalmer F Primeau | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. |
| Tom Rosemeyer, pers. comm. |
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
[Chalcedony var: Agate] Mineralogy of Michigan (2004) Heinrich & Robinson | |
[Agate var: Lake Superior Agate] Brian Cowger |
Mohawk Mine, Mohawk, Allouez Township, Keweenaw County, Michigan, USA