Explaining Colour Change in Pyrope-Spessartine Garnets
A colour-changing garnet exhibits the “alexandrite effect”, whereby its colour changes from green in the presence of daylight to purplish red under incandescent light. This study examines this species of garnets as well as the causes of the colour change by using infrared and ultraviolet visible (UV...
Main Authors: | Yan Qiu, Ying Guo |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2021-08-01
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Series: | Minerals |
Subjects: | |
Online Access: | https://www.mdpi.com/2075-163X/11/8/865 |
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