English dictionary
wolframite
/'w/U/lfr/@/,m/aI/t/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
Synonyms iron manganese tungstenSource: WordNet 3.0
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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 <i>wolfram</i>.
Source: webster1913