Definition of tantalite

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< tantalic

tantalize >

tan·ta·lite

-l

) KEY

NOUN:

A black to red-brown mineral, (Fe,Mn)(Ta,Nb)₂O₆, distinguished from columbite by the predominance of tantalum over niobium and used as an ore of both elements.

ETYMOLOGY:
tantal(um) + -ite¹

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