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Dec.  2001
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Liang Ting. Study on Colouration Mechanism of Emerald from Yunnan Province[J]. Journal of Gems & Gemmology, 2001, 3(4): 21-24.
Citation: Liang Ting. Study on Colouration Mechanism of Emerald from Yunnan Province[J]. Journal of Gems & Gemmology, 2001, 3(4): 21-24.
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Study on Colouration Mechanism of Emerald from Yunnan Province

  • Dept. Of Earth Science, Changan College, Xi'an, 710054, China

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  • Received Date: August 05, 2001
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    • Abstract
  • The colouration mechanism of emerald from Yunnan Province is studied by analyzing chemical compositions and absorption spectroscopy. It is considered that the colour of emerald from Yunnan Province is produced by V3+, Cr3+ and Fe3+. Its green or yellowish-green is related to the high content of V3+ and Fe3+.
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    • References (3)
  • [1]
    梁婷.云南祖母绿与哥伦比亚祖母绿颜色特征对比研究[J].西安工程学院学报, 1998, (3):41-45
    [2]
    Dietmar Schwarz.Emerald from Madagascar[J].J Gemm, 1992, 23 (3):140-149
    [3]
    Wood D L, Nassau K.The characterization of beryl and emerald by visible and infrared absorption spectroscopy[J].American Mineralogist, 1968, 53:77
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