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[–] 3 points 1 week ago* (last edited 1 week ago) (1 child)

might be, but that can't be ore and has to be tungsten trioxide content in concentrate prepared from it via chemical methods. two common tungsten ores have 60% and 63% tungsten metal content when pure, tungsten trioxide is 79% metal, and there's also 80% of tungsten trioxide in these ores

common tungsten use is in carbides and these contain 12% of cobalt as binder, hence 88%

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