...系,并为进一步研究PWO晶体的缺陷态的光学性质提供基础.1计算方法和晶体结构PbWO4晶体存在两种结构变体:一种是白钨矿型(Scheelite)结构,另一种是斜钨矿型(Raspite)结构.
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绿柱石、白钨矿和锡石色彩绚丽，其成分较为复杂，类质同象现象普遍，晶体形貌具有标型意义。
The major minerals like beryl, scheelite and cassiterite have relatively complicated chemical composition and remarkable isomorphism, which enables them to have typomorphic significance.
杨金沟白钨矿床赋存于下古生界五道沟群中上段，矿化类型主要为石英脉型。
The Yangjin'gou scheelite deposit occurs in the middle and upper parts of Wudaogou group. The mineralization types are mainly of scheelite quartz vein.
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