Mineralogical and Spectral Studies on the Serpentine Jade in Hanzhong,Shaanxi Province
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摘要: 陕西汉中蛇纹石玉质地细腻温润,颜色浓郁均匀,呈独特的黄色至深棕色色调,是蛇纹石质玉石中的优质品种。X射线荧光光谱分析表明,玉石主要化学成分为SiO2(42.90%~44.62%)和MgO (43.03%~44.10%)。X射线粉晶衍射、拉曼光谱和红外光谱分析显示,该蛇纹石玉的矿物组成为1T型利蛇纹石,玉石裂隙中普遍发育的石棉为正纤蛇纹石。Abstract: The serpentine jade, produced in Hanzhong, Shaanxi province, has a fine delicate and moist quality. It appears to be a unique yellow to dark brown colour. XRF analysis shows that SiO2(42.90%~44.62%) and MgO(43.03%~44.10%) are the main chemical composition of the jade. XRD analysis reveals that the mineral composition of the serpentine jade is 1T-lizardite; in jade cracks the commonly developed asbestos is orthochrysotile.
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Key words:
- Hanzhong /
- Shaanxi province /
- serpentine jade /
- 1T-lizardite /
- FT-Raman spectrum
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