Molybdenite from
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Garrels, R.M., Larsen, E.S. (1959) Geochemistry and mineralogy of the Colorado Plateau uranium ores. United States Geological Survey, Professional Paper 320: 236p. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |