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LIANG Ting, XIE Xing. Gemmological Characteristics of Hemimorphite from Yunnan Province[J]. Journal of Gems & Gemmology, 2003, 5(4): 34-36.
Citation: LIANG Ting, XIE Xing. Gemmological Characteristics of Hemimorphite from Yunnan Province[J]. Journal of Gems & Gemmology, 2003, 5(4): 34-36.
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Gemmological Characteristics of Hemimorphite from Yunnan Province

  • Department of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, China

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  • Received Date: September 18, 2003
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    • Abstract
  • Hemimorphite is a rare variety of jade.Hemimorphite with sky blue colour is of good quality.It has specific gravity of 3.34~3.46 g/cm3, refractive index of 1.60~1.62 and hardness of 4~4.5.T he main component is hemimorphite, and some carbonate such as smithsonite in small amount; Chemical composition analysis by microprobe shows that its colour is related to the content of CuO.Based on its colour and transparency, the quality of hemimorphite can be divided into four grades.
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    • References (3)
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    王实.中国宝玉石资源大全[M].北京: 科学技术文献出版社，1998.266—279.
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    北京大学地质学系岩矿教研室.光性矿物学[M].北京: 地质出版社，1979.317.
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