betafite Min.
(ˈbiːtəfaɪt)
[a. F. betafite (A. Lacroix 1912, in Compt. Rend. Acad. Sci. CLIV. 1042), f. Betafo in Madagascar, one of its localities + -ite1.]
A niobate and titanate of uranium, etc.
| 1912 Jrnl. Chem. Soc. CII. ii. 567 Radioactive Uraniferous Columbotantalotitanites from Pegmatites of Madagascar... Betafite, D 4·17, is dark green, and shows rudimentary cubic faces. 1921 Brit. Mus. Return 155 Minerals from..Madagascar (chrysoberyl, betafite, columbite, etc.). |