Theisite from USA
USA (FRL) | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. Mineralogical Magazine(1982) 46, 49-50 |
| Jensen, M., Nikischer, T. (2012) Some notes on the mineralogy of the Black Pine Mine, Granite County, Montana. Mineral News: 28(6): 1-10. |
| Collected by and in the collection of Alex Earl and SEM-EDS analyzed |
Black Pine Mine, Philipsburg Mining District, Granite County, Montana, USA