Abstract of Papers Presented at Annual Meeting of the Gemmological Society of Japan
2024 Annual Meeting
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Abstracts of Lectures at 2024 Annual Meeting of the Gemmological Society of Japan
Effects of processing such as bleaching on dark-colored pearls
*Junko YazakiSayaka TazawaMasahiro Sato
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Pages 16

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Abstract

Recently, dark-colored pearls have also been processed. his time, we bleached dark-colored pearls. And we observed and analyzed the changes about these pearls.

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© 2024 The Gemmological Society of Japan
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