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《Journal of Gems & Gemmology》 2001-03
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Evolution And Colouration of Lattice Defects in Diamonds at High Pressure and High Temperature

Qi Lijian 1 Yuan Xinqiang 1 Tian Liangguang 2 Yuan Zhizhong 3 (1 Gemmological Institute, China University of Geosciences, Wuhan, 430074, China; 2 Jewelry Inspection Station of Shandong Province, Jinan, 250014, China; 3 Jewelry Internationa  
HPHT in the laboratory provides the lattice defects in a brown yellow diamond with sufficient homogeneously oriented pressure and potential energy that are favorable for the dislocation in types Ⅰa and Ⅱa brown yellow diamonds. Such changes in dislocation finally result in colour transformation from the brown yellow to the colourless, yellow green and blue. The present research shows that the pseudo grid like stress pattern, composed of two groups of discontinuously arranged deformed bands which are fine and dense and rippled, and have alternated brightness and darkness and graded boundary lines, is included in a reconditioned gliding surface (line) system, representing the displacement, reorganization, and disintegration of the dislocation in type Ⅱa diamond. The dislocation walls interphased and regularly arranged in the direction of the tetragonal growth rings of the diamond and the strong deformation bands whose boundaries experienced sudden changes like repeated twin crystals, are both included in the enhanced gliding surface (line) system, representing the multiplication and movement of the dislocation in type Ⅰa diamond.The Raman spectrum peak at 3760cm -1 (or at 3738cm -1 at low temperature) and the Raman spectrum bands at 2087cm -1 and 796cm -1 result from the crystal lattice defects in types Ⅰa and Ⅱa diamonds. The formation and evolution of the lattice defects are proved to restrain the colouring and luminescence of the diamond.
【Fund】: 国家自然科学基金资助项目 ( 4 9772 0 96 )
【CateGory Index】: P619.28
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【References】
Chinese Journal Full-text Database 4 Hits
1 MAI Xiao~(1), CHEN Mei-hua~(1), CHEN Zheng~(2 ) (1.Gemmological Institute, China University of Geosciences, Wuhan 430074, China; 2.Shanghai Jianqiao Professional Technique College, Shanghai 201319, China);HPHT Treatment Technology of Diamond[J];Journal of Gems & Gemology;2004-04
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3 LI Gui-lin,CHEN Mei-hua,YAN Wei-xuan,TANG Na(Gemmological Institute,China University of Geosciences,Wuhan 430074,China);Spectroscopic Characteristics of HTHP-Treated Diamonds[J];Journal of Gems & Gemmology;2008-01
4 GUO Li-he~1, HAN Jing-yi~1 and LUO Hong-yu~2 (1. Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China; 2. Anti-counterfeiting Product Quality Supervision & Test Center, Ministry of Public Security, Beijing 100038, China);The Infrared reflectance spectra and the identification system of gems[J];Acta Petrologica Et Mineralogica;2006-04
【Citations】
Chinese Journal Full-text Database 1 Hits
1 Peng Mingsheng Lin Bing Peng Zhuolun (Institute of Gemstone and Mineral Materials,Zhongshan University,Guangzhou 510275);A Preliminary Study on the Mechanism of Coloration of Fancy Diamond[J];BULLETIN OF MINERALOGY PETROLOGY AND GEOCHEMISTRY;1999-04
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Yang Mingxing 1 Gao Yan 2 (1 Gemmological Institute, China University of Geosciences, Wuhan, 430074, China; 2 National Gem & Jade Testing Center , Beijing, 100013, China);Characters of Brown Spot on Diamond from Hunan Province and Its Implication[J];Journal of Gems & Gemmology;2002-04
2 MAI Xiao~(1), CHEN Mei-hua~(1), CHEN Zheng~(2 ) (1.Gemmological Institute, China University of Geosciences, Wuhan 430074, China; 2.Shanghai Jianqiao Professional Technique College, Shanghai 201319, China);HPHT Treatment Technology of Diamond[J];Journal of Gems & Gemology;2004-04
3 LU Yu-gang1,MAI Xiao2,TAN Yong1,CHEN Mei-hua1(1.Gemmological Institute,China University of Geosciences,Wuhan 430074,China;2.Zhejiang Provincial Gold and Jewelry Inspection Station,Hangzhou 310013,China);Tentative Experiment of Brown Diamond under HTHP Treatment[J];Journal of Gems & Gemmology;2007-01
4 LI Gui-lin,CHEN Mei-hua,YAN Wei-xuan,TANG Na(Gemmological Institute,China University of Geosciences,Wuhan 430074,China);Spectroscopic Characteristics of HTHP-Treated Diamonds[J];Journal of Gems & Gemmology;2008-01
5 QIU Rui-zhao1,2, LI Ting-dong 3,4, DENG Jin-fu5, ZHOU Su5, XIAO Qing-hui6, YE Tian-zha1, GENG Shu-fang2 (1. Development and Research Center, China Geological Survey, Beijing 100037, China; 2. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037,, China; 3. Chinese Academy of Geological Sciences, Beijing 100037,, China; 4. College of Earth Sciences, Jilin University, Changchun 130061, Jilin, China; 5. China University of Geosciences, Beijing 100083, China; 6. Information Center, Ministry of Land and Resources, Beijing 100812, China);Petrological structure, types and inhomogeneity of the lithosphere beneath continental China[J];Geology in China;2006-04
6 Yin Jianzhao (Beijing Representative Office of Australian Quantum Resources Limited, Beijing100004, China);PRELIMINARY DISCUSSION ON METALLOGENIC SERIES OF PRIMARY DIAMOND DEPOSITS[J];;2000-04
7 HONG Da-wei~1,WANG Tao~1,TONG Ying~1,WANG Xiao-xia~2(1.Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China;2.Department of Geology, Chang'an University, Xi'an 710054, China);MESOZOIC GRANITOIDS FROM NORTH CHINA BLOCK AND QINLING-DABIE-SULU OROGENIC BELT AND THEIR DEEP DYNAMIC PROCESS[J];Earth Science Frontiers;2003-03
8 Ye Song Yang Mei Ye Delong Tai Daoqing Ren Yingxin(China University of Geosciences,Wuhan Hubei 430074,China);Rb-Sr ISOTOPIC DATING AND SIGNIFICANCE OF KIMBERLITIC LAMPROPHYRE PIPE FROM LUJING,ANYUAN,JIANGXI PROVINCE[J];Geological Science and Technology Information;2001-02
9 NIU Man lan, ZHU Guang, SONG Chuan zhong (Dept.of Natural Resources and Environmental Science, Hefei University of Technology, Hefei 230009, China);Mesozoic volcanic activities and deep processes in the Tan-Lu fault zone[J];Journal of Hefei University of Technology(Natural Science);2001-02
10 YE Song,YANG Mei,YE De-long,TAI Dao-qian,REN Ying-xin(China University of Geosciences,Wuhan 430074,China);PPAEGSS Research on kimberlitic lamprophyre pipe at Lujing in Anyuan area,Jiangxi Province——A new type of mantle-derived alkaline ultrabasic rock[J];Mineral Resources and Geology;2007-04
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 Qi Lijian, Yang Yong, Luo Yongan (Gemmological Institute, China University of Geosciences, Wuhan, 430074) Xiang Changjin (Sichuan Institute of Nuclear Physics, Mianyang, 610003) Yuan Zhizhong (Solstar International Inc., Taiwan);CL SPECTRUM AND DEFECT CENTRES OF IRRADIATED COLOUR DIAMONDS[J];Journal of Gems & Gemmology;2000-02
2 Di Jingru, Chen Meihua (Geommological Institute, China University of Geosciences, Wuhan, 430074) Lu Fude (Gems and Jewelry Testing Centre of Hebei Province, Baoding, 071051 );STUDY ON HETEROGENEITY OF IMPURITIES OF DIAMONDS IN FUXIAN, LIAONING PROVINCE[J];Journal of Gems & Gemmology;2000-02
3 Yuan Zhizhong (Solstar International Inc., Taiwan) Peng Mingsheng, Yang Zhijun (Institute of Gemstones and Materials, Zhongshan University, Guangzhou, 510275);COLOUR-TREATED YELLOWISH-GREEN DIAMOND UNDER HIGH PRESSURE AND TEMPERATURE[J];Journal of Gems & Gemmology;2000-02
4 Yang Mingxing Pan Zhaolu (Gemmological Institute, China University of Geosciences, Wuhan, 430074, China) Guo Xiaoming (Nanchang Ramai Diamond Limited Company, Nangchang, 330002, China);FTIR CHARACTERS OF DIAMOND FROM HUNAN PROVINCE[J];Journal of Gems & Gemmology;2000-04
5 Yang Mingxing (Gemmological Institute, China University of Geosciences, Wuhan, 430074, China);CHARACTERS OF BIREFRINGENCE IN DIAMOND AND THEIR IMPLICATIONS[J];Journal of Gems & Gemmology;2000-04
6 Liu Jiangxia 1 Qi Lijian 1 Zeng Jiliang 2 Yu Hailing 2 Zhang Changlong 2 (1. China University of Geosciences, Wuhan, 430074, China; 2. Guangxi Institute of Geology for Mineral Resources, Guilin, 541004, China);Research on Gemmological Characters of Hydrothermal Synthetic Yellow Sapphire from Guilin[J];Journal of Gems & Gemmology;2001-01
7 Yang Mingxing 1 Gao Yan 2 (1 Gemmological Institute, China University of Geosciences, Wuhan, 430074, China; 2 National Gem & Jade Testing Center , Beijing, 100013, China);Characters of Brown Spot on Diamond from Hunan Province and Its Implication[J];Journal of Gems & Gemmology;2002-04
8 ZHANG Li (Gemmological Institute, China University of Geosciences, Wuhan 430074, China);Study on Gemmological Characters of Flux-Grown Synthetic Spinel[J];Journal of Gems & Gemology;2004-02
9 QI Li-jian,YUAN Xin-qiang,CAO Shu-min(Gemmological Institute,China University of Geosciences,Wuhan 430074,China);Representation and Application of Infrared Reflection Spectra of Gems[J];Journal of Gems & Gemmology;2005-04
10 LU Yu-gang1,MAI Xiao2,TAN Yong1,CHEN Mei-hua1(1.Gemmological Institute,China University of Geosciences,Wuhan 430074,China;2.Zhejiang Provincial Gold and Jewelry Inspection Station,Hangzhou 310013,China);Tentative Experiment of Brown Diamond under HTHP Treatment[J];Journal of Gems & Gemmology;2007-01
【Secondary References】
Chinese Journal Full-text Database 3 Hits
1 LI Gui-lin,CHEN Mei-hua,YAN Wei-xuan,TANG Na(Gemmological Institute,China University of Geosciences,Wuhan 430074,China);Spectroscopic Characteristics of HTHP-Treated Diamonds[J];Journal of Gems & Gemmology;2008-01
2 WANG Duo1,2,XU Ze-bin1,SUN meng1,CAO Shu-min1(1.Guangdong Provincial Gem & Precious Metal Testing Centre,Guangzhou Guangdong 510080,China;2.Materials Science and Chemical Engineering,China University of Geosciences,Wuhan Hubei 430074,China);Study on the IR Spectrum of Jasper of Different Origin[J];Infrared Technology;2009-12
3 WANG Chang(Institute of Jewelry,Guangzhou Panyu Polytechnic College,Guangzhou 511483,China);Research Progress on Burma Jade[J];Rock and Mineral Analysis;2009-05
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