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《Journal of Gems & Gemology》 2004-03
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Probe into Colour Grading of Blue Sapphire

DONGLan (Gemmological Institute, China University of Geosciences, Wuhan 430074, China)  
Colour is the most important standard in grading of coloured stone. The aim of this paper is to carry out the colour grading of the blue sapphires from the famous localities in the world according to their values of H, S, B determined by means of Photoshop Microsoft. The influence factors on the colour grading and the problems are discussed and the proposals how to resolve these problems are also put forward.
【CateGory Index】: P619.28
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【References】
Chinese Journal Full-text Database 1 Hits
1 ZHOU Xu,LIU Xue-liang,MAO Jian,GUO Shou-guo(School of Materials Science and Engineering,East China University of Science and Technology,Shanghai 200237,China);Sapphire Improving Technique[J];华东理工大学学报(自然科学版);2013-03
【Citations】
Chinese Journal Full-text Database 2 Hits
1 Chen Yanfang Pan Feng Ren Jin (School of Meterials Science and Technology, China University of Geoscience,Beijing 100083);The Quantitative Appraisation of the Green of Jadeite[J];矿物岩石地球化学通报;1999-04
2 Xu Rupeng(Shanghai Institute of Measurement and Testing Technology, Shanghai 200232);QUANTITATIVE DESCRIPTION OF GREEN JADEITE[J];宝石和宝石学杂志;1999-02
【Co-citations】
Chinese Journal Full-text Database 6 Hits
1 SHI Jia-xin;Yunnan Institute of Jewelry;;A DISCUSSION ABOUT THE IDENDIFICATION OF FEICUI[J];云南地质;2015-01
2 LI Gang;School of Earth and Space Sciences,Peking University;;Analysis of Causes in Difficulty of Jewelry Liquation and Construction of Jewelry Appraisal System[J];宝石和宝石学杂志;2013-04
3 WANG Chang(Institute of Jewelry,Guangzhou Panyu Polytechnic College,Guangzhou 511483,China);Research Progress on Burma Jade[J];岩矿测试;2009-05
4 QIU Zhi-li(Department of Earth Sciences;Gem Testing and Research(Appraisal) Center,Sun Yat-Sen University,Guangzhou 510275,China);Current Situation and Recent 10-Year's Progress of China's Jewelry Appraisal Profession[J];宝石和宝石学杂志;2009-02
5 PAN Feng1, 2,REN Jin2(1. Beijing Institute of Clothing Technology, Beijing 100029, China;2.China University of Geosciences, Beijing 100083, China);Quantitative Appraisal for Colour of Ruby[J];宝石和宝石学杂志;2007-02
6 DONGLan (Gemmological Institute, China University of Geosciences, Wuhan 430074, China);Probe into Colour Grading of Blue Sapphire[J];宝石和宝石学杂志;2004-03
【Co-references】
Chinese Journal Full-text Database 6 Hits
1 ZHANG Pei-qiang1,MA Yu2(1.Key Laboratory of Lithospheric Tectonics and Lithoprobing Technology,China University of Geosciences,Ministry of Education,China.Beijing,100083;2.Institute of Geomechanics,CAGS,Beijing,100081);THE MAIN COLOR-CAUSING FACTORS OF SAPPHIRES IN SHANDONG PROVINCE[J];地质找矿论丛;2006-02
2 LI Li-ping~1, CHEN Hua~2, LUO Qu-kan~1(1.Gemmological Institute, China University of Geosciences, Wuhan 430074, China; 2.National Gem Testing Center, Beijing 100013, China);Application of GemDialogue and GemSet Colour System in Colour Description and Grading of Coloured Gemstones[J];宝石和宝石学杂志;2005-01
3 DONGLan (Gemmological Institute, China University of Geosciences, Wuhan 430074, China);Probe into Colour Grading of Blue Sapphire[J];宝石和宝石学杂志;2004-03
4 YANG Ji (College of Earth Science and Land Resources,Chang'an University,Xi'an 710054,China);The Colour Origin of Gem Minerals[J];世界地质;2002-02
5 Shen Meidong Yang Liangfeng (National Gemstone Testing Center, Beijing) (Geological Museum of China, Beijing);IR Spectroscopic Absorption Band near 3310cm~(-1) in Sapphire and Its Identification Significance[J];地球学报-中国地质科学院院报;2000-03
6 ;On Classification of Gem Color[J];中国宝玉石;1997-01
【Secondary References】
Chinese Journal Full-text Database 2 Hits
1 Qiu Chengjun;Wang Yiqun;Huang Yuexia;Gemstone Testing Center, East China University of Science and Technology;;Study on Coloration Mechanism and Enhancement of Low Quality Sapphires from Madagascar[J];激光与光电子学进展;2015-10
2 YE Min;DI Jingru;XIE Xufan;Gemmological Institute,China University of Geosciences;;Process Exploration of Heat Treatment on Ruby and Sapphire from Madagascar[J];宝石和宝石学杂志;2015-04
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