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USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 247 |
| Luetcke, Rolf (n.d.) Personal communication. |
- Bradshaw Mountains (Bradshaw Range)
| Thorne, Brent (n.d.) Personal communcation. |
- Castle Creek Mining District
| Luetcke, Rolf (n.d.) Personal communication. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 300, 307, 344. |
- White Picacho Mining District
| Jahns, R.H. (1952), Pegmatite Deposits of the White Picacho District, Maricopa and Yavapai Cos., AZ, AZ Bur. Mines Bull. 162: 93-96. |
| 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. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. Mineral Collector (1895) 1:168-169 |
| 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. |
| 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 |
- Montezuma Mining District
- Hall Valley (Hall's Valley)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Creede Mining District, Mineral County, Colorado, USA