Meaning Of The Word Niobite

Real Dictionary
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  4. Niobite

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Niobite Meaning

Niobite Definition
Niobite Definition

What's The Definition Of Niobite?

columbite in British English
noun: a black mineral consisting of a niobium oxide of iron and manganese in orthorhombic crystalline form: occurs in coarse granite, often with tantalite, and is an ore of niobium. Formula: (Fe, Mn)(Nb)2 O6
noun: a black mineral consisting of a niobium oxide of iron and manganese in orthorhombic crystalline form: occurs in coarse granite, often with tantalite, and is an ore of niobium. Formula: (Fe, Mn)(Nb)2O6

niobite in British English
noun

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