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USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Spurr (1898) Geology of the Aspen Mining District, Colorado. USGS Monograph No. 31 |
| Spurr (1898) Geology of the Aspen Mining District, Colorado. USGS Monograph No. 31 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Avalanche Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Schwarz & Park (1930): Economic Geology 25, 658. [Cited in Guild, F. N. (1932): The micro-texture and paragenesis of stromeyerite. Schweiz. Mineralog. Petrogr. Mitt. 12, 222-233.] |