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USA | |
| 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. |
| Jordi Fabre |
| Bull. Minéral. , 1984, 107, pp. 411-422. |
| Betts, John (n.d.) John Betts website listing. |
| 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. Specimen from Joe Dorris collection exhibited at Tucson show 2008 |
| www.exceptionalminerals.com |
| Fabre Minerals. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Michael C Michayluk Collection |
| David Eicher |
| 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. |
| Betts, John (n.d.) John Betts website listing. |
| Shann Whynot-Young Collection |
| www.exceptionalminerals.com |
| Mathew Crystalman |
Pikes Peak batholith, Teller County, Colorado, USA