Betafite (of Hogarth 1977) from selected localities.
Italy | |
| AA. VV., 1996. Collezionare minerali. Hobby & Work. |
| Cámara,F., Williams,C.T., Della Ventura,G., Oberto,R. & Caprilli,E. (2004): Non-metamict betafite from Le Carcarelle (Vico volcanic complex, Italy): occurrence and crystal structure, Mineralogical Magazine, 68, 939-950. |
Tre Croci, Vetralla, Viterbo Province, Lazio, Italy