高温高压合成翡翠的谱学特征初探  

Preliminary Study of Spectral Characteristics of HTHP Synthetic Jadeite

作　　者：邢莹莹 何涌 XING Yingying;HE Yong(Gemmologocal Institute,Guangzhou College of South China University of Technology,Guangzhou 510800,China;Faculty of Materials Science and Chemistry,China University of Geosciences,Wuhan 430074,China)

机构地区：[1]华南理工大学广州学院珠宝学院,广东广州510800 [2]中国地质大学(武汉)材料与化学学院,湖北武汉430074

出　　处：《高压物理学报》2018年第6期9-16,共8页Chinese Journal of High Pressure Physics

基　　金：国家自然科学基金(41272049)

摘　　要：通过电子探针、X射线粉晶衍射、傅里叶变化红外光谱、激光拉曼光谱、紫外-可见光吸收光谱和光致发光光谱对合成翡翠矿物谱学特征及呈色机理进行系统的测试与分析。研究结果显示,合成翡翠与天然翡翠外观、矿物成分、拉曼光谱及光致发光光谱表征基本一致,但红外吸收光谱、紫外光谱以及化学成分均出现较为明显的差异,具体表现为:较低的Fe含量导致可见光区域内437nm吸收谱带缺失;由于微量元素的含量和形成环境差异,导致红外光谱表征中ν(M/Cr—O)和ν_(as)(M—OH)伸缩振动所致的红外吸收谱带表征出与天然翡翠较大的差异。The systematic test and analysis of the spectral characteristics and color mechanism of the synthetic jadeite are carried out by using electron probe,X-ray powder diffraction,Fourier transform infrared spectroscopy,laser Raman spectra and UV-VIS absorption spectra and photoluminescence spectra.The research results show that the appearance,mineral composition,Raman spectra,and photoluminescence spectra of the synthetic jadeite are almost the same as natural jade.However,there are obvious differences between FTIR,UV-VIS and chemical components.The specific performance is as follows:the low content of Fe leads to the loss of 437 nm absorption band in the visible range;in addition,the differences of content of trace elements and formation environment lead to large differences of infrared absorption band caused by stretching vibration ofν(M/Cr-O)andνas(M-OH).

关 键 词：高温高压 合成翡翠 谱学表征 矿物学特征 

分 类 号：O521.2[理学—高压高温物理]