Biotite from selected localities.
USA | |
| Miller, C.E. (1972) Rhode Island Minerals and Their Locations. O.D. Hermes, ed. Kingston, RI. |
| No reference listed |
USA | |
| Miller, C.E. (1972) Rhode Island Minerals and Their Locations. O.D. Hermes, ed. Kingston, RI. |
| No reference listed |