tan·ta·lite (t n t -l t )n. 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. [tantal(um) + -ite.] |
tantalite [ˈtæntəˌlaɪt]
n
(Earth Sciences / Minerals) a heavy brownish mineral consisting of a tantalum oxide of iron and manganese in orthorhombic crystalline form: it occurs in coarse granite, often with columbite, and is an ore of tantalum. Formula: (Fe,Mn)(Ta,N6)2O6
[from tantalum + -ite1]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | tantalite - a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum atomic number 73, Ta, tantalum - a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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