tan·ta·lite

(tăn′tə-līt′)

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.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tantalite

(ˈtæntəˌlaɪt)

(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,Nb)2O6

[C19: from tantalum + -ite¹]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tan•ta•lite

(ˈtæn tlˌaɪt)

n.

a black, crystalline mineral, iron-manganese tantalate, (Fe, Mn)Ta₂O₆, the principal ore of tantalum.

[1795–1805]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

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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