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Study on Gemmological and Mineralogical Characteristics of "Lvlongjing"
Author(s): 
Pages: 29-31,后插5
Year: Issue:  1
Journal: Journal of Gems & Gemmology

Abstract: "绿龙晶"(俗称)为一种产自俄罗斯的绿泥石玉,目前普遍认为其矿物组成为斜绿泥石.本次研究用"绿龙晶"样品具有独特的深绿色至灰绿色,呈鳞片状至叶片状结构,密度为2.61~2.62 g/cm3,折射率约为1.57,摩氏硬度约为2.5,其主要矿物组成为绿泥石的亚种叶绿泥石.通过在显微镜下薄片观察发现,叶绿泥石具有靛蓝色、锈褐色和紫色异常干涉色,近平行消光.电子探针结果表明,该"绿龙晶"样品的主要化学成分...
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