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SPECTROSCOPY AND SPECTRAL ANALYSIS  2023, Vol. 43 Issue (08): 2557-2562    DOI: 10.3964/j.issn.1000-0593(2023)08-2557-06
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Alexandrite Effect Origin of Gem Grade Diaspore
CHEN Chao-yang1, 2, LIU Cui-hong1, 2, LI Zhi-bin3, Andy Hsitien Shen1, 2*
1. Gemmological Institute,China University of Geosciences (Wuhan), Wuhan 430074, China
2. Hubei Gems and Jewellery Engineering Technology Research Center, Wuhan 430074, China
3. Shanghai Jewelry Testing and Appraisal Office, Shanghai 200010, China