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USA | |
| Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| USGS PP144 |
| Rosemeyer, T. (1996) The Cliff: America's First Native Copper Mine. Rocks & Minerals: 71(6): 381-390. |
| [var. Peristerite] Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| [var. Peristerite] Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| [var. Oligoclase] Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| Institute on Lake Superior Geology Proceedings, 40th Annual Meeting, Houghton, MI, v. 40, part 4, |
| 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. |
| [var. Oligoclase] Chaudhuri,S.,and Faure,G.,(1967) Geochronology of the Keweenawan Rocks,White Pine,Michigan:Economic Geology,v.62,p.1011-1033 |
| [var. Peristerite] Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |