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
"Modern" Jewelry: Retro to Abstract
A New Gem Material from Greenland: Iridescent Orthoamphibole
The Gemological Properties of the Sumitomo Gem-Quality Synthetic Yellow Diamonds
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.
Contemporary Intarsia: The Medvedev Approach to Gem Inlay
The techniques of this precision inlay style are explained.
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
An Examination of Four Important Gems
Several famous and historical gemstones in the Smithsonian's collection are examined and reported on.
コスクエス鉱山：コロンビア産エメラルドの主要原産地 (英語)
The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Summer 1986 G&G Lab Notes
A Survey of the Gemstone Resources of China
Gemstone Carving in China: Winds of Change
Chinese master carvers have produced some of the world's most sophisticated gemstone carvings.
Amethystine Chalcedony
The Pearl in the Chicken: Pearl Recipes in Papyrus Holmiensis
A Proposed New Classification for Gem-Quality Garnets
Eight garnet species are defined and methods of identification are described.
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