
次のタイプで宝石を見る:
器具類
記者発表の検索結果
『アンカット・ダイヤモンド』のエチオピア産オパールの現実的な宝石学
アダム サンドラー主演の映画『 Uncut Gems(アンカット・ダイヤモンド)』で物語の鍵となるオパールを紹介しながら、オパールの現実的な宝石学と産地に関する情報を説明します。

Inclusions in Natural, Treated, Synthetic, and Imitation Opal
Provides a visual guide to the internal features of natural, treated, synthetic, and imitation opal.
Land of Origins: A Gemological Expedition to Ethiopia
Documents a visit to the sapphire, opal, and emerald mining and trading areas of Ethiopia.
Opal from West Java, Indonesia
At the AGTA show, Rare Earth Mining Co. (Trumbull, Connecticut) displayed an unexpected material: Indonesian opal reportedly from West Java.
Outlook on Opals from Mexico and Australia (英語)
Jürgen Schütz discussed the opal sourcing and cutting activities of the German firm Emil Weis.
Flashes and Flames in Ethiopian Opal (英語)
Chatoyancy, rarely seen in play-of-color opal, is observed in Ethiopian material.
“Boldly Go” with a Southwest-Inspired Starship Enterprise
New Designs from Paula Crevoshay
World-renowned jewelry artist Paula Crevoshay displays some of her newest pieces at the Tucson gem shows.
Golden Rutilated Quartz Artisanal Mining Community
Plans to develop a collective in a remote Brazilian rutilated quartz mining community are unveiled.
夢を追いかける「ヒッピー」のデザイナー兼鑑定士、地元の同窓支部に新たな活気を与える
GGであるRebecca Buysは、デザイナーと鑑定士としての充実したキャリアを築き上げ、カリフォルニア州サンディエゴのGIA同窓生を指導します。






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