wolframite

• 一种由钨酸铁和钨酸锰组成的矿物，常呈晶体形态，是钨的主要矿石，通常产于与花岗岩有关的石英脉中。

A mineral composed of iron and manganese tungstate, occurring in crystalline form and serving as the primary ore of tungsten, typically found in quartz veins associated with granitic rocks.

1. Iron-manganese tungstate mineralC2formalscientific

   A dark, heavy mineral composed of iron and manganese tungstate, which is the primary ore of tungsten. It is typically found in quartz veins associated with granitic rocks.

   黑钨矿

   • Wolframite is often extracted for its tungsten content, used in high-strength alloys.
   • Geologists discovered a rich vein of wolframite in the granite quarry.
   • The sample of wolframite showed a high concentration of manganese.