Cause of Color Modification in Tanzanite after Heat Treatment

Cause of Color Modification in Tanzanite after Heat Treatment

Natural tanzanites usually show strongly trichroic coloration from violet to blue, and brown colors in different directions. However, this characteristic is easily changed to violet-blue dichroism after heat treatment. Moreover, the cause of color modification after heating is still controversial. A...

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Bibliographic Details
Main Authors: Teerarat Pluthametwisute, Bhuwadol Wanthanachaisaeng, Chatree Saiyasombat, Chakkaphan Sutthirat
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Molecules
Subjects:
tanzanite
heat treatment
zoisite
color
Online Access:https://www.mdpi.com/1420-3049/25/16/3743

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