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SPECTROSCOPY AND SPECTRAL ANALYSIS  2021, Vol. 41 Issue (08): 2524-2529    DOI: 10.3964/j.issn.1000-0593(2021)08-2524-06
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Spectroscopic Characteristics and Coloring Mechanism of Brown Tourmaline Under Heating Treatment
YUE Su-wei1, 2, YAN Xiao-xu1, 2*, LIN Jia-qi1, WANG Pei-lian1, 2, LIU Jun-feng3
1. School of Jewelry, Guangzhou City Institute of Technology, Guangzhou 510800, China
2. Institute of Jewelry, Guangzhou City Institute of Technology, Guangzhou 510800, China
3. Chow Tai Fook Jewellery & Gold (Shenzhen) Co., Ltd., Shenzhen 518081, China