地質学者が、自身で運営する地球科学のウェブサイト、Geology.comへの訪問者に宝石に関するより多くの情報を提供できるようGGを取得します。

蝶結びは、その時代のスタイルを反映するために蘇って適応しながら、はるか昔のジュエリーやファッションにおいて人気のあるモチーフおよび最後の仕上げの手法として使われています。

Review of Narrative Jewelry: Tales from the Toolbox by Mark Fenn.

Unusually large prismatic pargasite inclusions observed in a Kashmir sapphire submitted to the Carlsbad lab for origin determination.

Examination of a type IaB diamond that exhibited instantaneous 2803 cm–1 FTIR absorption shortly after exposure to an ultra-short-wave UV source.

Provides a visual guide to the internal features of natural, synthetic, and treated diamonds.

Surprisingly, diamonds do not all form in the same way, but rather they form in various environments and through varying mechanisms.

Explains the reactions responsible for the formation of a well-developed reaction rim of spinel that surrounds the corundum core in some specimens from this deposit.

The presence of these zircon clusters might help separate Ethiopian sapphire from other basalt-related sources.

Chronicles the history of this cultural landmark, originally assembled for the Prussian king between 1701 and 1714, and its reconstruction by the Soviet Union starting in 1979.

Lightbox, a De Beers company, has begun selling “white,” pink, and blue CVD laboratory-grown diamonds at a flat rate of $800 per carat.

A rough sample submitted as diamond is proven to be a synthetic moissanite with a thin diamond coating.

A pink synthetic moissanite is coated with a thin colored film, raising questions about the natural origin of its color.

Chatoyant vivid blue Brazilian tourmaline is examined in the Bangkok lab.

Held October 21 and 22 at Cinema Row, the Chicago Responsible Jewelry Conference drew 200 attendees who heard industry experts discuss safe, sustainable, ethical gem production and jewelry design.