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USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 266. |
| Grant, Raymond W., Bideaux, R.A., Williams, S.A. (2005) Minerals Added to the Arizona List 1995-2005 (1st ed.) (1958) Systematic mineralogy of uranium and thorium. Bulletin Vol. 1064. US Geological Survey doi:10.3133/b1064 |
- Lawson Mining District (Dumont Mining District; Montana Mining District)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Cheyenne Mining District (St. Peters Dome Mining District)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Central City Mining District (Central Mining District)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371 |
| USGS Bull 1032A |
| Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371 USGS Bull 1032A |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- South Platte Pegmatite Mining District
| Pavel M. Kartashov data, Dean Allum specimens |
| 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. |
Seerie pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA