デマントイドガーネットの原産地鑑別

江森 健太郎; 趙 政皓; 谷口 奏子; 北脇 裕士

doi:10.14915/gsj.48.0_7

2026 Annual Meeting

DOI https://doi.org/10.14915/gsj.48.0_7

Conference information

Host: The Gemmological Society of Japan

Co-host: National Museum of Nature and Science

Abstracts of Lectures at 2026 Annual Meeting of the Gemmological Society of Japan

Geographic origin determination of demantoid garnet

*Kentaro Emori, Zhao Zhenghao, Kanako Taniguchi, Hiroshi Kitawaki

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Keywords: Demantoid, Garnet, Origin determination

CONFERENCE PROCEEDINGS FREE ACCESS

Pages 7

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Abstract

This study examined the possibility of the geographic origin determination of demantoid garnet. The results show that origin identification is achievable not only through trace‑element analysis using LA‑ICP‑MS, but also by FTIR spectroscopy and detailed microscopic observation.

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