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USA | |
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| [Chalcedony var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Black Canyon of the Gunnison River
| Hansen, Wallace R. (1971), Geologic map of the Black Canyon of the Gunnison River and vicinity, western Colorado: U.S. Geological Survey Miscellaneous Geologic Investigations Map 1-584, scale 1:31,680.
Hansen, Wallace R. (1965), Black Canyon of the Gunnison: Today and Yesterday. USGS Bulletin 1191, 76 p. |
- Bull Canyon Mining District
| Kampf, Anthony R., Hughes, John M., Marty, Joe, Nash, Barbara P., Chen, Yu-Sheng, Steele, Ian M. (2014) Bluestreakite, K4Mg2(V4+2V5+8O28)·14H2O, a new mixed-valence decavanadate mineral from the Blue Streak Mine, Montrose County, Colorado: crystal structure and descriptive mineralogy. The Canadian Mineralogist, 52 (6) 1007-1018 doi:10.3749/canmin.1400072 |
- La Sal Mining District (Paradox Valley Mining District)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
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| Tony Nikischer specimen |
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| Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227 |
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| USGS Prof Paper 320 |
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| Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York. |
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| Frank Karasti |
Montrose County, Colorado, USA