Magnetite from selected localities.
USA | |
| Cannon, B. (1975): Minerals of Washington, p.44, 54 |
| Cannon, B. (1975): Minerals of Washington, p.86; Tschernich, R. (1992): Zeolites of the World |
USA | |
| Cannon, B. (1975): Minerals of Washington, p.44, 54 |
| Cannon, B. (1975): Minerals of Washington, p.86; Tschernich, R. (1992): Zeolites of the World |