wol·fram·ite /ˈwʊlfrəˌmaɪt/
鎢錳鐵礦,鐵錳重石
Wol·fram·ite n. 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.
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wolframite
n : a mineral consisting of iron-manganese tungstate in
crystalline form; the principal ore of tungsten; found in
quartz veins associated with granitic rocks [syn: iron
manganese tungsten]