Study on the Vibrational Spectra Characterization of Synthetic Jadeite Jade Made by General Electric Company
CAO Shu-min1,3,QI Li-jian2,GUO Qing-hong3,4,ZHONG Zeng-qiu1,QIU Zhi-li5,LI Zhi-gang3
1. Faculty of Earth Science of China University of Geosciences，Wuhan 430074, China 2. Jewelry College of Tongji University(In Preparation), Shanghai 200092, China 3. Guangdong Provincial Gem ＆ Precious Metal Testing Centre, Guangzhou 510080, China 4. Center for Earth Environment ＆ Resources，Sun Yat-sen University, Guangzhou 510275, China 5. Department of Earth Science，Sun Yat-sen University, Guangzhou 510275, China
Abstract：The object of the present study is the synthetic jadeite jade produced by American General Electric Corporation. Fourier transform infrared spectroscopy(FTIR) and Laser Raman spectroscopy were used to test its spectral properties in order to examine the feature of this kind of synthetic jadeite jade by vibrational spectroscopy and to figure out the mark for discriminate synthetic jadeite jade from natural jadeite jade. The study shows that GE synthetic jadeite jade is identical with natural jadeite jade in the main on fingerprint region in FTIR; There are clearly differences in the 2 000 -4 000 cm-1 functional region in FTIR： a group of frequencies at 3 375，3 471 and 3 614 cm-1 indicate vibration absorption of O—H. GE synthetic jadeite jade has proven consistent with natural jadeite jade in the laser Raman spectra by a group of sharp scattering peaks at 376，700，989 and 1 039 cm-1. In addition these scattering peaks show an intact crystal shape. The FTIR peaks and Raman spectral peaks shift to higher frequencies showing GE synthetic jadeite jade lacking isomorphism of heavy positive ions.
曹姝旻1,3,亓利剑2,郭清宏3,4,钟增球1,丘志力5,李志刚3. 美国通用电气公司宝石级合成翡翠的振动谱学研究[J]. 光谱学与光谱分析, 2008, 28(04): 847-851.
CAO Shu-min1,3,QI Li-jian2,GUO Qing-hong3,4,ZHONG Zeng-qiu1,QIU Zhi-li5,LI Zhi-gang3. Study on the Vibrational Spectra Characterization of Synthetic Jadeite Jade Made by General Electric Company. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(04): 847-851.
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