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オパール

花火。クラゲ。銀河。稲妻。オパールの万華鏡のようにきらめく様子は他の宝石にはみられません。

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記者発表の検索結果

Fall 1983 G&G; Lab Notes

This section, from the Fall 1983 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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Fall 1995 Gem News International

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Abstracts; Summer 2010

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Abstracts; Winter 2009

This article, from the Winter 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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Summer 2008 Gem News International

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Summer 2003 G&G; Lab Notes

This section, from the Summer 2003 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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Fall 1981 G&G; Lab Notes

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Fall 2001 G&G Lab Notes

This section, from the Fall 2001 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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Fall 2003 G&G; Lab Notes

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Fall 2004 G&G; Lab Notes

This section, from the Fall 2004 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.

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Fall 2007 Gem News International

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Fall 2011 Gem News International

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