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Volume 10 Issue 3
Sep.  2008
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LING Xiao-xiao, WANG Shi-qi, WU Rui-hua, SHI Wei. Study on Gemmological Characteristics of Imitation of Malachite[J]. Journal of Gems & Gemmology, 2008, 10(3): 27-30.
Citation: LING Xiao-xiao, WANG Shi-qi, WU Rui-hua, SHI Wei. Study on Gemmological Characteristics of Imitation of Malachite[J]. Journal of Gems & Gemmology, 2008, 10(3): 27-30.
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Study on Gemmological Characteristics of Imitation of Malachite

  • 1. China University of Geosciences, Beijing 100083, China;

  • 2. School of Earth and Space Sciences, Peking University, Beijing 100871, China;

  • 3. Beijing Dida Gem Testing Center, Beijing 100083, China

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  • Received Date: January 16, 2008
  • Revised Date: July 14, 2008
    Graphical Abstract
    • Abstract
  • By using gem microscope,polarizing microscope,X-ray powder diffraction and Fourier transform infrared spectroscopy,the gemmological,mineralogical and spectral characteristics of the imitation samples of malachite appeared in the Beijing jewelry market are studied.The results show that the imitation samples are mainly composed of barite and subordinate mineral of quartz or calcite,which are cemented by epoxy resin.The identification characteristics between the natural malachite and its imitaion are the lower relative density,hollows on the surface and infrared spectra.
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    • References (5)
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