columbite
/kuh-luhm-bahyt/US // kəˈlʌm baɪt //UK // (kəˈlʌmbaɪt) //
铌铁矿,铌矿,钶钽铁矿,钶钽铁矿石
Definitions
n.名词 noun
- 1
- : a black, crystalline mineral, iron niobate,Nb2O6, the principal ore of niobium, an end member of a series of solid solutions in which manganese and tantalum combine to form tantalite.
Examples
Columbium pentoxide (columbic acid), Cb2O5, is obtained from columbite, after the removal of tantalum (see above).
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