矿石中钨主要呈白钨矿存在，有少量钨华及黑钨矿；
Tungsten in the ores exists mainly as scheelite and some as wolfram ocher and wolframite .
矿石中钨的物相分析通常只分析钨华、白钨矿和黑钨矿。
In ordinary chemical phase analyses of tung sten only tungstite , scheelite and wolframite are dealt with .
钨华钨华钨华