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SUN Hai-tao, LV Shu-hong. Application of BJKF-1 Portable Near-infrared Mineral Analyzer in Identification of Gemstones and Jades[J]. Rock and Mineral Analysis, 2008, 27(6): 418-422.
Citation: SUN Hai-tao, LV Shu-hong. Application of BJKF-1 Portable Near-infrared Mineral Analyzer in Identification of Gemstones and Jades[J]. Rock and Mineral Analysis, 2008, 27(6): 418-422.

Application of BJKF-1 Portable Near-infrared Mineral Analyzer in Identification of Gemstones and Jades

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  • Received Date: April 04, 2008
  • Revised Date: July 29, 2008
  • In this article, the application of Chinese BJKF1 nearinfrared (NIR) mineral analyzer to the identification of gemstones and jade nondestructively is reported. By comparing the diffuse reflection NIR spectrum features in the mineral detection, the indentifiability for major gemstones and jades are discussed. And based on the infrared spectrum features of emerald, a kind of gemstone that consists of multiple minerals, the discrimination of type A, type B and type C of emeralds is also discussed. The measurement results indicate that within the spectrum range of 1300~2500 nm, some of the gemstones such as topaz, beryl, tourmaline and the majority of the jades such as tremolite, pyrophyllite, serpentine and jadeite can be indentified. It also shows that the Chinese BJKF1 nearinfrared (NIR) mineral analyzer has a bright application prospect in routine identification of gemstones and jades.
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