Pegmatite from El Paso County, Colorado, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
| 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 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Livingston, K. (2020). The Peralkaline Mount Rosa Granite: Contrasting Mineralogy and Geochemistry Observed in the Mount Rosa Granite, Pikes Peak Batholith, Colorado (Masters thesis, Colorado School of Mines). | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |