Bible Dictionaries
Columbite
Webster's Dictionary
(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.
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Bibliography Information
Webster, Noah. Entry for 'Columbite'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/c/columbite.html. 1828.