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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Sterling, Geoff (2023) Personal Communication. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Betts, John (n.d.) John Betts website listing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Richard Fretterd and Jean Cowman (2016) Exploring a topaz-bearing Pikes Peak pegmatite. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado Muntyan, Barbara, Muntyan, John (1985) Minerals of the Pikes Peak Granite [Colorado]. The Mineralogical Record, 16 (3) 217-230 |
| Muntyan, Barbara, Muntyan, John (1985) Minerals of the Pikes Peak Granite [Colorado]. The Mineralogical Record, 16 (3) 217-230 |
| Adam Sotomayor |
| Pearl, Richard M. (1974) Minerals of the Pikes Peak Granite [Colorado]. The Mineralogical Record, 5 (4) 183-189 |
| 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. |
| Muntyan, Barbara, Muntyan, John (1985) Minerals of the Pikes Peak Granite [Colorado]. The Mineralogical Record, 16 (3) 217-230 American Mineralogist (1936): 20: 319-333 |
| Muntyan, Barbara, Muntyan, John (1985) Minerals of the Pikes Peak Granite [Colorado]. The Mineralogical Record, 16 (3) 217-230 |
- Lake George Beryllium area (Badger Flats Beryllium area; Mountain Dale)
| 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. |
| Dorris, J.L., Topaz Mountain Gem mine, 2007 mining update (the summer of the gremlins continues): Mineral News, vol. 23, no. 10 |
| 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. |
| Joseph Dorris (2016) Amazonite and Smoky Quartz Pegmatites of the Smoky Hawk Trend, Teller County, Colorado. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado Joseph Dorris (2015) Amazomite and Smoky Quartz Mining on the Smoky Hawk Claim, Teller County, Colorado. 36th Annual New Mexico Mineral Symposium pp. 11-12. Joseph Dorris (2011) Mineral News, 27, #8, 8. |
| Belsher, Don and Dee (1979) The mineral phenacite. Friends of Mineralogy Colorado Chapter Newsletter 2(1) (February 1979), 2. |
| Bartsch, Joel (1987) What's New in Minerals? - Colorado Amazonite. The Mineralogical Record, 18 (2) 148-150 |
West Face, Mt Antero, Chaffee County, Colorado, USA