Identification Characteristics of Natural and Synthetic Amethyst by Infrared and Polarized Raman Spectroscopy
BACKGROUND The identification of natural and synthetic amethyst is still a challenge for gemological laboratories either at home or abroad. Previous studies focus on twinning, color band, inclusions and the infrared spectrum. Controversy still exists on whether the 3595cm-1 and 3543cm-1 absorptions...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Science Press, PR China
2019-07-01
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Series: | Yankuang ceshi |
Subjects: | |
Online Access: | http://www.ykcs.ac.cn/en/article/doi/10.15898/j.cnki.11-2131/td.201807230087 |