澳大利亚蓝蓝宝石的内含物特征

Fang Fei, Diao Jingru, XU Yafen
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引用次数: 0

摘要

本研究的主要目的是观察澳大利亚蓝色蓝宝石样品中丰富的内含物,分析内含物的组成,为鉴定其产地提供理论依据。采用徕卡M205A显微相机完成澳大利亚蓝蓝宝石特征内含物的图像采集。采用激光拉曼光谱仪测定夹杂物成分。结果表明,蓝宝石样品普遍存在明显的颜色分布不均匀、愈合裂缝和分离现象。一些样品有六边形缎带。显微观察发现有固相夹杂物、管状气液夹杂物、指纹夹杂物,偶有三相夹杂物。特别地,有些夹杂物以双晶的形式出现。拉曼光谱鉴定的包裹体包括锆石、金红石、锐钛矿、赤铁矿、铌铁矿、霞石和CO2。
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Inclusion Characteristic of Blue Sapphire from Australia
The main purpose of this study is to observe the abundant inclusions of blue sapphire samples from Australia and analyze the composition of inclusions and provide a theoretical basis for the identification of its origin.The Leica M205A microscopic camera was used to finish the image acquisition of characteristic inclusions in blue sapphires from Australia. Laser Raman spectrometer was used to test inclusion composition.The result showed that the sapphire samples generally had obvious uneven colour distributions, healing fissures and partings. Some samples have hexagonal ribbons. Microscopic observation showed solid phase inclusions, tubular gas-liquid inclusions, fingerprint inclusions, and occasionally three-phase inclusions.Specially, some inclusions occur in the form of bicrystals.The inclusions identified by Raman spectroscopy include zircon, rutile, anatase, hematite, niobite, nepheline and CO2.
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