R1: Characterization and description of minerals (Joint Session with The Gemmological Society of Japan)

10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[R1-03] Geographic Origin Determination of Alexandrite: An Investigation Based on Spectroscopic Characteristics and Trace Element Composition

*Zhenghao Zhao¹, Hiroshi Kitawaki¹, Kentaro Emori¹, Makoto Okano¹ (1. Central Gem Laboratory)

Keywords:

Alexandrite,Chrysoberyl,Infrared Spectrum,UV-Vis-NIR Spectrum,LA-ICP-MS

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