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Table of Contents

Summer 2007, Volume 43, Issue 2

LETTERS

p.95-p.97

FEATURE ARTICLES

Global Rough Diamond Production since 1870 p.98-p.119
A.J.A. (Bram) Janse
Durability Testing of Filled Emeralds p.120-p.137
Mary L. Johnson

NOTES AND NEW TECHNIQUES

Continuity and Change in Chinese Freshwater Pearl Culture p.138-p.145
Doug Fiske and Jeremy Shepherd

RAPID COMMUNICATIONS

Yellowish Green Diopside and Tremolite from Merelani, Tanzania p.146-p.148
Eric A. Fritz, Brendan M. Laurs, Robert T. Downs, and Gelu Costin
Polymer-Impregnated Turquoise p.149-p.151
Kyaw Soe Moe, Thomas M. Moses, and Paul Johnson

REGULAR FEATURES

Lab Notes p.153-p.161
Featured Lab Note: Opal with Unusual Structure p.160-p.161
Gem News International p.162-p.183
Featured Gem News International: Pyrope-Almandine from Tanzania p.172-p.173
Book Reviews p.185-p.187
Gemological Abstracts p.188-p.206