Columbite-(Fe)-Columbite-(Mn) Series from
USA | |
| Mease, James (1807). A Geological Account of the United States (Philadelphia: Birch & Small), pp. 421-423. |
| Miller, 1972. Minerals of Rhode Island |
USA | |
| Mease, James (1807). A Geological Account of the United States (Philadelphia: Birch & Small), pp. 421-423. |
| Miller, 1972. Minerals of Rhode Island |