Meaning of COLUMBITE
| Pronunciation: | | ku'lumbIt
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 WordNet Dictionary |
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| | Definition: | | [n] a black mineral that is an ore of niobium and tantalum |
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| | Synonyms: | | niobite |
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| | See Also: | | atomic number 41, atomic number 73, mineral, Nb, niobium, Ta, tantalum | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Co*lum"bite\, n. [Cf. F. colombite. See {Columbium}.]
(Min.)
A mineral of a black color, submetallic luster, and high
specific specific gravity. It is a niobate (or columbate) of
iron and manganese, containing tantalate of iron; -- first
found in New England.
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