Volume 25 Issue 3
May  2023
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SUN Ruizhen, ZHENG Yalong, WANG Chengbo, PENG Zicheng. Gemmological Characteristic and Colour Genesis of Golden Diopside[J]. Journal of Gems & Gemmology , 2023, 25(3): 36-42. doi: 10.15964/j.cnki.027jgg.2023.03.005
Citation: SUN Ruizhen, ZHENG Yalong, WANG Chengbo, PENG Zicheng. Gemmological Characteristic and Colour Genesis of Golden Diopside[J]. Journal of Gems & Gemmology , 2023, 25(3): 36-42. doi: 10.15964/j.cnki.027jgg.2023.03.005

Gemmological Characteristic and Colour Genesis of Golden Diopside

doi: 10.15964/j.cnki.027jgg.2023.03.005
  • Received Date: 2022-10-04
  • Publish Date: 2023-05-31
  • In order to analyze the gemmological characteristics, spectroscopic characteristics and the possible colour genesis of the golden diopside, some samples were tested by conventional gemmological tests, Raman spectrometer, Fourier infrared spectrometer(FTIR), UV-Vis spectrometer, energy dispersive X-ray fluorescence spectrometer (EDXRF) and LA-ICP-MS. The results showed that the main mineral of the samples is diopside, and they contain a variety of trace elements including Fe. The Fe element in the sapmples mainly exists in the form of Fe3+. And the Fe3+-O charge transfer at 450 nm, T position and the Fe3+ d-d transition at M1 position are the important cause of the colour of golden diopside.
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