“betafite”的英英意思

单词	betafite
释义	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. 1912Jrnl. Chem. Soc. CII. ii. 567 Radioactive Uraniferous Columbotantalotitanites from Pegmatites of Madagascar... Betafite, D 4·17, is dark green, and shows rudimentary cubic faces.1921Brit. Mus. Return 155 Minerals from..Madagascar (chrysoberyl, betafite, columbite, etc.).

　

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