Gemmological Characteristic and Colour Genesis of Golden Diopside

SUN Ruizhen; ZHENG Yalong; WANG Chengbo; PENG Zicheng

doi:10.15964/j.cnki.027jgg.2023.03.005

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

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Gemmological Characteristic and Colour Genesis of Golden Diopside

doi: 10.15964/j.cnki.027jgg.2023.03.005

1.
Zhong Gong Gem Testing Center, Guangzhou 510000, China
2.
Gemmological Institute, China University of Geosciences, Wuhan 430074, China
3.
Chongqing Institute of Geology and Mineral Resources, Chongqing 401120, China

Received Date: 2022-10-04
Publish Date: 2023-05-31

Abstract

Abstract

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.
- golden diopside,
- Fe³⁺,
- UV-Vis spectrum,
- colour genesis

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References(17)

References

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