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Volume 1 Issue 2
Jun.  1999
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Xu Rupeng. QUANTITATIVE DESCRIPTION OF GREEN JADEITE[J]. Journal of Gems & Gemmology, 1999, 1(2): 29-32.
Citation: Xu Rupeng. QUANTITATIVE DESCRIPTION OF GREEN JADEITE[J]. Journal of Gems & Gemmology, 1999, 1(2): 29-32.
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QUANTITATIVE DESCRIPTION OF GREEN JADEITE

  • Shanghai Institute of Measurement and Testing Technology, Shanghai, 200232

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  • Received Date: January 05, 1999
  • Revised Date: March 23, 1999
    Graphical Abstract
    • Abstract
  • It is quantitative determination for colour of jadeite with CIE-L*a*b* chromaticity diagram. The result by testing of instrument is just in accord with visual evaluation. The quantitative determination could represent some special colour vocabularies by traditional visual way for greenish jadeite, such as "unadulterated", "rich colour". It could be avoided colour difference by visual emotion.
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    • References (4)
  • [1]
    中华人民共和国国家标准GB 7921-87. 均匀空间和色差公式。北京:中国标准出版社，1998
    [2]
    Wright W D. The measurement of colour (3). London: Hilger & Watts LTD, 1964. 184~185
    [3]
    Wyszecki G. Color science.纽约, 1972
    [4]
    张蓓莉主编， 系统宝石学. 北京:地质出版社，1997. 268
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