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Dec.  2002
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Gao Yan, Zhang Hui. Research on Raman Spectra of Natural and Dyed Red Corals[J]. Journal of Gems & Gemmology, 2002, 4(4): 20-23.
Citation: Gao Yan, Zhang Hui. Research on Raman Spectra of Natural and Dyed Red Corals[J]. Journal of Gems & Gemmology, 2002, 4(4): 20-23.
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Research on Raman Spectra of Natural and Dyed Red Corals

  • National Gemstone Testing Centre, Beijing, 100013, China

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  • Received Date: September 26, 2002
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    • Abstract
  • The Raman spectra of several kinds of natural and dyed red corals have been researched. It has been found that the red colour of natural corals resulted from a large amounts of characteristic organic materials. The white corals are mainly composed of calcite and a little amounts of organic material. The dyed corals with different red colours have another characteristic organic pigments Raman spectra, which are different from natural ones obviously. Therefore, the measurement of Raman spectrum of red coral provides an efficient and rapid method of identification of coral.
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    • References (4)
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    张蓓莉.系统宝石学[M].北京:地质出版社,1997.406—409.
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