Cr 含有赤色マスグラバイトの分析

趙 政皓; 北脇 裕士; 江森 健太郎; 岡野 誠; 間中 裕二; 海老坪 聡

doi:10.14915/gsj.45.0_7

2023 Annual Meeting

DOI https://doi.org/10.14915/gsj.45.0_7

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Host: The Gemmological Society of Japan

Abstracts of Lectures at 2023 Annual Meeting of the Gemmological Society of Japan

Analysis of Cr bearing Red Musgravite

*Zhenghao Zhao, Hiroshi Kitawaki, Kentaro Emori, Makoto Okano, Yuji Manaka, Satoshi Ebitsubo

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Keywords: Musgravite, EDXRF, Raman spectrum, infrared spectrum

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Pages 7

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Abstract

We analyze some light-blue minerals that appear to be chrysocolla associated azurite and malachite. However, the results of EDS show that these light-blue minerals cotain a high concentration of Mg that should not be present in chrysocolla. Combining the experimental results of FTIR, Raman Spectra, and XRD, we believe that these minerals are actually talc.

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