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“石林彩玉”是云南省石林县新发现的一种玉石新品种,具有多彩的颜色和花纹。与其相似的宝玉石(水晶、南红玛瑙等)之间的区分鉴定,是学术界新产生的一个难点问题。本文采用常规宝石学测试、红外光谱、拉曼光谱、X粉晶衍射分析等测试方法对“石林彩玉”的化学成分、光谱学特征、结构特征进行了分析和研究。结果表明:“石林彩玉”的主要化学成分为二氧化硅,另外含少量赤铁矿、斜硅石、针铁矿、绿泥石等。“石林彩玉”的主要矿物组成及光谱学特征可用于区别其他相似宝玉石,可为“石林彩玉”的检测与鉴定提供借鉴。
“Stone Forest Choi Yu” is a newly discovered jade variety in Shilin County, Yunnan Province, with colorful colors and patterns. Its similar gemstones (crystal, red onyx, etc.) between the identification of the academic community is a new problem arising. In this paper, the chemical composition, spectral characteristics and structural characteristics of “Shilin Caixiu” were analyzed and studied by the methods of routine gemmological tests, infrared spectroscopy, Raman spectroscopy and X-ray diffraction analysis. The results show that the main chemical composition of “Stone Forest Caiyu” is silica, with a small amount of hematite, skeletal silica, goethite and chlorite. The main mineralogical composition and spectral characteristics of “Shilin Caiyu” can be used to distinguish other similar gemstones, which can provide reference for the detection and identification of “Shilin Caitian”.