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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (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. Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. |
| Gross, E. B., Heinrich, E. Wm. (1966) Petrology and mineralogy of the Mount Rosa area, El Paso and Teller Counties, Colorado. II. Pegmatites. American Mineralogist, 51 (3-4) 299-323 |
| Gross, E. B., Heinrich, E. Wm. (1966) Petrology and mineralogy of the Mount Rosa area, El Paso and Teller Counties, Colorado. II. Pegmatites. American Mineralogist, 51 (3-4) 299-323 |
| Gross, E. B., Heinrich, E. Wm. (1966) Petrology and mineralogy of the Mount Rosa area, El Paso and Teller Counties, Colorado. II. Pegmatites. American Mineralogist, 51 (3-4) 299-323 Landes, K.K. (1935) Colorado Pegmatites. American Mineralogist, 20(5), 319-333. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Cryolite Mine, St Peters Dome, Cheyenne Mining District, El Paso County, Colorado, USA