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ツーソンで育った愛: GIA同窓会パーティーで地質学者とデザイナーに訪れた「信じられない幸運」
ツーソンで行われたGIA同窓会パーティーに出席するために並んでいた男女が、永遠に人生を変えるチャンスに巡り合いました。
宝石の巨匠: Drehers家と素晴らしい彫刻 (英語)
A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.
Katzenbach Designs、2年間でAGTAより2回受賞
GIAを卒業したデザイナーが、米国メイン州で産出されたトルマリン、精密なファセッティング、ファンタジーカットの宝石やカスタムデザインのジュエリーに注力します。
オーストラリア東部のアコヤ真珠養殖業 (英語)
Characterizes the akoya cultured pearls produced on the eastern shoreline of Australia using native Pinctada imbricate fucata mollusks.
Real-Time Microradiography of Pearls: A Comparison Between Detectors
Compares the image quality provided by real-time microradiographic imaging (RTX) units fitted with two different detectors: an image intensifier (II) and a flat panel detector (FPD).
Complex Yellow Fluid Inclusions in Red Burmese Spinel
A unique inclusion in red spinel is indicative of a Burmese origin.
Synthetic Moissanite Imitating Rough Diamond
A light green specimen, submitted as a rough diamond, is actually a synthetic moissanite.
New Phenomenal Feldspar from North Carolina with Iridescent Inclusions
A deposit in North Carolina yields potassium feldspar with a phenomenon similar to Australian rainbow lattice sunstone.
New Azurite-Malachite Mixture from Peru
A Peruvian source yields a new azurite-malachite mixture.
Accurate Reporting of Key Trace Elements in Ruby and Sapphire Using Matrix-Matched Standards
Presents a group of corundum standards developed by GIA to improve the accuracy and efficiency of its laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) instruments.
The Very Deep Origin of the World’s Biggest Diamonds
Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular, and Resorbed), that formed in a superdeep environment.