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1. (n.) wolframite
a mineral, iron manganese tungstate, (Fe,Mn)WO
Etymology: (1865–70)
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| Definition of 'wolframite' |
Princeton's WordNet |
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1. (noun) wolframite, iron manganese tungsten
a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
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Webster Dictionary |
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1. (noun) wolframite
tungstate of iron and manganese, generally of a brownish or grayish black color, submetallic luster, and high specific gravity. It occurs in cleavable masses, and also crystallized. Called also wolfram
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Definitions of wolframite 
