The scheelite possesses coarse granularities than the wolframite. 83% scheelite and 60% wolframite contain granularities greater than 0.04 mm.

• 白钨矿嵌布粒度粗于黑钨矿，粒度大于0.；04mm的白钨矿占83%25，黑钨矿为60%25。