「オデッセイ・サンストーン」シリーズの最終回では、サンストーン・ビュート鉱山（見事な緑色と二色の宝石が豊富に産出される新しい鉱山）を紹介します。

我们光顾ダストデビル矿区续我们的「日光石奇幻历险」系列の旅、获取良多的刻面宝石と雉刻品の両方がこの地で生産されています。

Shows the conversion of limonitic residues to hematite in surface-reaching inclusions, a practical indication of heat-treated corundum.

By Dorothy McFerrin, publ. by the McFerrin Foundation, College Station, Texas, 2013, US $125

The Fall 2013 issue introduces a new G&G article category—the field report—as well as online features such as videos and slideshows.

The uncommon occurrence of epigenetic malachite, as found in this quartz, can result in vivid green color.

An unusually large cultured pearl was filled with multiple cultured pearls, perhaps after the emergence of an original single-bead nucleus.

Examination of an imitation rainbow moonstone assemblage containing plastic-coated gypsum.

Report on the analysis of an unusually large CVD synthetic diamond, unique in that its Faint to Light pinkish brown color doesn’t appear to be the result of post-growth treatment.

A fingerprint pattern, possibly left by human skin oils during the assembly process, is observed in natural turquoise beads.

Observing a water drop’s interaction with opal, as well as refractive index, can confirm a specimen’s hydrophane nature with less risk of breakage than total immersion.

Natural amber beads were found to have been filled with plastic and a variety of insects.

An unusual laser manufacturing remnant, possibly once used to guide a gem cutter, was left behind in a clock-like shape.

Chronicles a visit to the high desert of eastern Oregon to examine commercial sources of this natural copper-bearing feldspar.

The history and mysteries behind a treasure of jewels hidden during the 1600s, a window to the past being fully opened to the public for the first time since a chance discovery a century ago.

GGであるH. “Gio” Giovanni氏が、GIAカールスバッドの学生たちに向けて、革新的なジュエリーデザイン技術とブランディングの実践についての話をした。

卒業生が、カールスバッドのGIAでのプレゼンテーションで、在校生にキャリアアドバイスを行いました。

2013年10月、GIAのバンコク研究所は、2012年9月の探査で収集されたサンプルに関する研究結果をまとめた。

GIA博物館の展示「より豊かなことは、より豊かなこと：Tony Duquette-Hutton Wilkinson（トニー・デュケット-ハットン・ウィルキンソン）の宝飾品 」は、有名なハリウッドのデザイナーによる宝飾品を披露しています。

Specimen sold as black diamond identified as ceramic material commonly used in hard-plating applications