(n) a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks, Syn.iron manganese tungsten
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ G., wolframit, wolfram; wolf wolf + rahm cream, soot; cf. G. wolfsruss wolfram, lit., wolf's soot. ] (Min.) 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. [ 1913 Webster ]
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