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Thesaurus: columbite

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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irondefinitionblackdefinitionmineraldefinitionspecificdefinitioncolumbatedefinitioncolordefinitioncontainingdefinitionfirstdefinitionfounddefinitiongravitydefinitionlusterdefinitionniobatedefinitionsubmetallicdefinitiontantalatedefinitionEnglanddefinitionhighdefinitionmanganesedefinitionnewdefinitionniobiumdefinitionoredefinitiontantalumdefinitioncolumbianfamilycolumbian mammothfamilyColumbiansfamilycolumbicfamilycolumbierfamilycolumbiferousfamilycolumbiform birdfamily

Definitions

  1. n. 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.
  2. n. a black mineral that is an ore of niobium and tantalum
  3. 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.
  4. A mineral of a black color, submetallic luster, and highspecific specific gravity. It is a niobate (or columbate) of iron andmanganese, containing tantalate of iron; -- first found in NewEngland.
  5. n a black mineral that is an ore of niobium and tantalum