Pyrochlore Supergroup from Texas, USA
USA | |
| [var. Betafite (of Hogarth 1977)] O'Neill, L. C. (2014). REE-Be-UF mineralization of the Round Top laccolith, Sierra Blanca Peaks, Trans-Pecos Texas (MS dissertation). |
USA | |
| [var. Betafite (of Hogarth 1977)] O'Neill, L. C. (2014). REE-Be-UF mineralization of the Round Top laccolith, Sierra Blanca Peaks, Trans-Pecos Texas (MS dissertation). |