Abstract of Papers Presented at Annual Meeting of the Gemmological Society of Japan
2023 Annual Meeting
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Abstracts of Lectures at 2023 Annual Meeting of the Gemmological Society of Japan
Fluorescent Organic Substances in Opal from Shikaribetsu, Hokkaido
Shigenori OGIHARA*Momoyo SUETOMI
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Abstract

Fluorescent opals produced in Shikaribetsu, Hokkaido were classified into three types according to their fluorescent colors, and biomarker analysis was performed to clarify the organic matter that is the source of each type of fluorescence.

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© 2023 The Gemmological Society of Japan
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