名詞 wolframite:

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
   同義詞：iron manganese tungsten

wolf.ram.ite

n.（名詞）
Any of several red-brown to black minerals with the general formula (Fe,Mn)WO4, which constitute a major source of tungsten.
黑鎢礦：幾種紅褐到黑的礦物，分子式為(Fe,Mn)WO4，主要含鎢的來源