Bismutite from
USA | |
| Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology Walstrom, Robert E. (n.d.) Personal communication. |
| Richter, D.H. et al (1957) New data on ferritungstite from Nevada. American Mineralogist, 42, 83-90. |