The quarterly journal of the gemological institute of america
EDITORIAL
Colored Gems, Chinese Jewelry Designers, and Colored Diamond Spectra
Duncan Pay, Editor-in-Chief
Welcome to the first Gems & Gemology of 2015!
Articles (5)
The Chinese Soul in Contemporary Jewelry Design
Presents the internal characteristics of natural P. maxima pearls, obtained from real-time microradiography (RTX) and X-ray computed microtomography (µ-CT) analysis of 774 samples.
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Blue Spinel from the Luc Yen District of Vietnam
Offers geological context and gemological characterization of this increasingly popular vivid blue spinel from northeast Vietnam.
Amethyst from Boudi, Morocco
An introduction to Moroccan amethyst, which features distinctive color zoning and inclusions.
Mozambique: A Ruby Discovery for the 21st Century
Explores the geology, production, and yield of the world’s most commercially important ruby deposit.
Visible Absorption Spectra of Colored Diamonds
Features a foldout chart containing representative visible spectra and photos of the major color categories of diamond.
Regular Features
GEM NEWS INTERNATIONAL
Global coverage of gem sources, notable new gem materials, and recent industry developments.
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THE DR. EDWARD J. GÜBELIN
Most Valuable Article Awards
Sri Lanka: Expedition to the Island of Jewels
Andrew Lucas, Armil
Sammoon, A.P. Jayarajah, Tao
Hsu, and Pedro Padua
Exploring the Chinese Gem and Jewelry Industry
Tao Hsu, Andrew Lucas, Zhili
Qiu, Mu Li, and Qingyuan Yu
Three-Phase Inclusions in Emerald and Their Impact on Origin Determination
Sudarat Saeseaw, Vincent
Pardieu, and Supharart
Sangsawong
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