Application of GemDialogue and GemSet Colour System in Colour Description and Grading of Coloured Gemstones
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摘要: 国际贸易中有色宝石的报价主要是按其总品质级别和克拉质量给出的。目前, 国际上较为广泛采用的有色宝石的分级体系主要有美国宝石学院和美国宝石协会的两个体系。在有色宝石总品质中起决定作用的是颜色, 对宝石颜色的描述和分级分别采用的是 GIA的 GemSet和 Howard Rubin的 GemDialogue颜色系统。主要介绍这两个系统的特点以及它们在有色宝石颜色描述和分级中的应用方法及应注意的问题。
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关键词:
- 有色宝石 /
- GemDialogue /
- GemSet /
- 颜色分级 /
- 颜色描述
Abstract: In international coloured gemstone trade, all the asking price and bid price are given according to the total quality grade (1 to 10 ) and carat of coloured gemstones. In order to regularize our gem and jewelry appraisal, it is vital important to describe and grade coloured gemstones in scientific way. GemDialogue and GemSet are the two important colour systems, and they are widely used by international jewelry appraisers. In the paper, the two systems are introduced and the application of the two systems in coloured gemstones grading are discussed.-
Keywords:
- coloured gemstone /
- GemDialogue /
- GemSet /
- colour grading /
- colour description
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[1] Miller A M.Gem and Jewelry Appraising——Techniques of Professional Practice [M](EdⅡ).Woodstock,Vermont:Gemstone Press,1999.56-57.
[2] Richard H Cartier.Professional Jewellery Appraising[M](EdⅡ).Canada:Fischer Press,2004.95-96.
[3] 张蓓莉,陈华,孙凤民珠宝首饰评估[M]北京:地质出版社,2000 [4] 丘志力,李立平,陈炳辉,等珠宝首饰系统评估导论[M]武汉:中国地质大学出版社,2003
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