Columbite-(Fe)-Columbite-(Mn) Series from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Eckel, Edwin B. (1997) Minerals of Colorado, updated & revised. p. 14. | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
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). | |
| Minerals of Colorado (1997) Eckel, E. B. |