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Volume 16 Issue 3
Jun.  2014
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NA Baocheng, SUN Ruijiao, LI Zengsheng, LIU Haimei. Gemmological Characteristics of Light Pink to Pink Beryls[J]. Journal of Gems & Gemmology, 2014, 16(3): 32-37.
Citation: NA Baocheng, SUN Ruijiao, LI Zengsheng, LIU Haimei. Gemmological Characteristics of Light Pink to Pink Beryls[J]. Journal of Gems & Gemmology, 2014, 16(3): 32-37.
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Gemmological Characteristics of Light Pink to Pink Beryls

  • Test Center of China Metallurgical Geology Bureau of Shandong Bureau, Jinan 250014, China

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  • Received Date: October 20, 2013
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  • In this paper，the gemmological characteristics of light pink to pink beryl samples from jewelry market were studied.Compared to emerald and aquamarine，the colour of light pink to pink beryls is obviously different，as well as different refractive index and density.Conventional gemmological instruments，infrared spectrometer and X－ray fluorescence spectrometer were used to systematically study the pink beryl samples.According to the refractive index results，the pink beryls are divided into three groups，and the yellowish green beryls and common aquamarines are divided into two groups.It is found that the refractive index and density of pink beryl are positively correlated.As the concentration of Cs increases and the concentration of Rb decreases，the refractive index and density increase.The refractive index of aquamarine varies between 1.577and 1.583（±0.017），while the refractive index of pink beryl is up to 1.61.
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    • References (13)
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