Fernandinite from Great Plains Domain, North America Plate
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 220 Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ: 115 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 79. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Excalibur Mineral Co. sample and analysis |
Min News (1987) 3:9 p 5-6 | |
Collected by and in the collection of Alex Earl | |
| Observed on the ore pile |
| King, Van (n.d.) Personal communcation. |
Sunday Mine, Slick Rock Mining District, San Miguel County, Colorado, USA