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Table of Contents

Spring 2007, Volume 43, Issue 1

EDITORIAL

The Dr. Edward J. Gübelin Most Valuable Article Award p.1-p.2

LETTERS

Letters p.3

FEATURE ARTICLES

Pink to Red Coral: A Guide to Determining Origin of Color p.4-p.15
Christopher P. Smith, Shane F. McClure, Sally Eaton-Magaña, and David M. Kondo
Serenity Coated Colored Diamonds: Detection and Durability p.16-p.34
Andy H. Shen, Wuyi Wang, Matthew S. Hall, Steven Novak, Shane F. McClure, James E. Shigley, and Thomas M. Moses
Trapiche Tourmaline from Zambia p.36-p.46
Thomas Hainschwang, Franck Notari, and Björn Anckar

REGULAR FEATURES

Lab Notes p.47-p.55
Featured Lab Note: Unusual Dendrites in a Heat-Treated Blue Sapphire p.54-p.55
Gem News International p.56-p.80
Featured Gem News International: Tourmaline (dravite and liddicoatite) from northeastern Mozambique p.73-p.75
Book Reviews p.83-p.85
Gemological Abstracts p.86-p.93