संस्‍कृतशब्‍दकोशः

संस्‍कृत-हिन्दी-आंग्ल शब्दकोश


English → English

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.

These Also : Niobite;