The Gemological Properties of the De Beers Gem-Quality Synthetic Diamonds
An Update on Color in Gems. Part 1: Introduction and Colors Caused by Dispersed Metal Ions
This three-part series of articles reviews our current understanding of gemstone coloration.
The Occurrence and Gemological Properties of Wessels Mine Sugilite
Gemstone Durability: Design to Display
A New Gem Material from Greenland: Iridescent Orthoamphibole
"Modern" Jewelry: Retro to Abstract
Contemporary Intarsia: The Medvedev Approach to Gem Inlay
The techniques of this precision inlay style are explained.
Art Nouveau: Jewels and Jewelers
This article discusses the origins of Art Nouveau and outlines the distinctive interpretations and contributions made by significant Art Nouveau jewelers.
The Gemological Properties of the Sumitomo Gem-Quality Synthetic Yellow Diamonds
Fall 1986 G&G Lab Notes
Carbon Dioxide Fluid Inclusions as Proof of Natural-Colored Corundum
An important clue in identifying natural-colored corundum is the presence of carbon dioxide fluid inclusions.
A Simple Procedure to Separate Natural from Synthetic Amethyst on the Basis of Twinning
Summer 1986 G&G Lab Notes
An Examination of Four Important Gems
Several famous and historical gemstones in the Smithsonian's collection are examined and reported on.
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Coscuez 矿:哥伦比亚祖母绿的主要产地 (英语)
The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.
Gemstone Carving in China: Winds of Change
Chinese master carvers have produced some of the world's most sophisticated gemstone carvings.

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