Synonyms and Antonyms for columbite-tantalite

1. columbite-tantalite (n.)

a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips

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2. columbite (n.)

a black mineral that is an ore of niobium and tantalum

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3. tantalite (n.)

a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum

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