Tantalite-(Fe) from Rocky Mountains, North America
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. | |
| XRD by Jim Wilson of Weber State, Utah. |
| Ex. Forrest Cureton, in the collection of Alex Earl |
Fohl picnic area, Pierce Divide occurrence, Pierce City Mining District, Clearwater County, Idaho, USA