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USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. (1984) Precambrian deposits of zinc-copper-lead sulfides and zinc spinel (gahnite) in Colorado. Bulletin Vol. 1550. US Geological Survey doi:10.3133/b1550 U.S. Geological Survey Professional Paper 829 |
| Frank Karasti |
| James A. Bauer James A. Bauer Collection |
| Rocks & Min.: 65:61. |
| Rosemeyer, Tom (2010) Creede: The Last Wild West Silver Mining Camp in Colorado. Rocks & Minerals, 85 (5). 396-413 doi:10.1080/00357529.2010.494150 Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Rocks & Minerals 82:368-380 |
| Rocks & Minerals 82:368-380 |
| Rocks & Minerals 82:368-380 |
- White Canyon Mining District
| Luetcke, Rolf (n.d.) Personal communication. |
| Desor, J. (11/2020) SEM-EDS & Raman confirmed |
Sherman Mine, Upper Iowa Gulch, Lake County, Colorado, USA