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Spring 2017



 
Our Price: $29.95


Availability:: Usually Ships in 3 to 5 Business Days
Product Code: 17SP

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Description
 
Brazilian Diamonds: A Historical and Recent Perspective
Darcy Svisero, James E. Shigley, and Robert Weldon

Cuprian Liddicoatite Tourmaline
Yusuke Katsurada and Ziyin Sun

The Role of Silicon in the Color of Gem Corundum
John L. Emmett, Jennifer Stone-Sundberg, Yunbin Guan, and Ziyin Sun

Japanese Jadeite: History, Characteristics, and Comparison with Other Sources
Ahmadjan Abduriyim, Kazuko Saruwatari, and Yusuke Katsurada

Causes of Iridescence in Natural Quartz
Xiayang Lin and Peter J. Heaney

Characteristics of Gem-Quality By-Product Synthetic Zincite
Ji Zhang, Yujie Gao, and Guanghai Shi

Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).

GIA student and alumni save 10% on back issues! Enter coupon code GGALUM and a GIA Student Number at checkout.

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