Ferberite is the chief ore of tungsten. It is a rare mineral found usually in pegmatite dikes and high- temperature quartz veins associated with granite. It has the formulae FeWO4 – MnWO4 and a relative hardness of 6.
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Ferberite is the chief ore of tungsten. It is a rare mineral found usually in pegmatite dikes and high- temperature quartz veins associated with granite. It has the formulae FeWO4 – MnWO4 and a relative hardness of 6.
Related terms: