wolframite

英 ['wʊlfrəmaɪt] 美 ['wʊlfrəmˌaɪt]

• n. 钨锰铁矿；铁锰重石；黑钨矿

英英释义

Noun:

1. a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks