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Volume 8 Issue 2
Jun.  2006
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FAN Jian-liang, GUO Shou-guo, LIU Xue-liang, WANG Yi-qun. Research on Enhancement of Ruby with Dark Ribbon from Yunnan Province[J]. Journal of Gems & Gemmology, 2006, 8(2): 38-40.
Citation: FAN Jian-liang, GUO Shou-guo, LIU Xue-liang, WANG Yi-qun. Research on Enhancement of Ruby with Dark Ribbon from Yunnan Province[J]. Journal of Gems & Gemmology, 2006, 8(2): 38-40.
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Research on Enhancement of Ruby with Dark Ribbon from Yunnan Province

  • Gemstone Testing Centre, East China University of Science and Technology, Shanghai 200237

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  • Received Date: May 24, 2006
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    • Abstract
  • Dark ribbons in ruby from Yunnan Province can be effectively eliminated by heat treatment. The influence of parti-colour can be reduced and the red hue is improved obviously. The result of EDXRF shows that Fe is separated out from the ruby during heat treatment. The test results of absorption spectrum show that the spectra of treated ruby are characterized by strengthening and blue shift of absorption band. Therefore, the red hue and saturation increase.
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    • References (3)
  • [1]
    范韬.云南红宝石的宝石学特征研究[J].云南师范大学学报, 2000, 20(4):62-66.
    [2]
    黄进初, 杨永富.蓝宝石的光学吸收谱研究[J].成都地质学院学报, 1993, 20(1):62-70.
    [3]
    陈伟, 罗红宇.云南红宝石的激发和发光光谱[J].无机材料学报, 1993, 8(4):409-415.
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