wolframite

Noun

A mineral that is the chief ore of tungsten.

ریشه

From German 'Wolfram', from Middle High German 'wolf' (wolf) + 'ram' (raven), because it 'devours' tin like a wolf does a raven.

مثال

• Wolframite is a valuable source of tungsten.
• The geologist discovered a vein of wolframite.
• Wolframite is often found in quartz veins.

ترکیب‌های رایج

Vein of wolframite Extract wolframite Wolframite ore Wolframite mineral