Pyrochlore Supergroup from Virginia, USA
USA | |
| [var. Betafite (of Hogarth 1977)] Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| [var. Betafite (of Hogarth 1977)] Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
[var. Betafite (of Hogarth 1977)] Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |