iron manganese tungsten   (TTS Sound)

The iron_manganese_tungsten has 1 Senses.

• iron manganese tungsten, wolframite
• a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
• 結晶性形状で鉄とマンガンタングステン酸塩から成る鉱物