Dive Into Spring: Corundum and Beryl Color, Jade Artistry, the Chivor Emerald Mine, and Swiss Rhodonite…

Spring 2020 - Volume 56, Issue 1 A Quantitative Description of the Causes of Color in Corundum The Evolution of Chinese Jade Carving Craftsmanship Color Characteristics of Blue to Yellow Beryl from Multiple Origins History of the Chivor Emerald Mine, Part I (1880–1925): From Rediscovery to Early Production Rhodonite-Pyroxmangite from Tanatz Alp, Switzerland Regular Features Lab Notes Micro-World Diamonds from the Deep Gem News International     Gemological Institute of America Inc.  GIA World Headquarters and The Robert Mouawad Campus 5345 Armada Drive, Carlsbad, California 92008 © 2002 - 2020 Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. All rights reserved. GIA.edu       Update Your Information       Unsubscribe       Privacy Notice

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