四川平武产出世界十分稀少和珍贵的桔红色和桔黄色透明白钨矿、亮黑色锡石、无色透明的板状绿柱石。
The tangerine and orange scheelite, bright black cassiterite, colourless and transparent board beryl occur in Pingwu, Sichuan Province.
四川平武产出世界十分稀少和珍贵的桔红色和桔黄色透明白钨矿、亮黑色锡石、无色透明的板状绿柱石。
The tangerine and orange scheelite, bright black cassiterite, colourless and transparent board beryl occur in Pingwu, Sichuan Province.
应用推荐