A New Method for Determining Gem Tourmaline Species by LA-ICP-MS
Presents a simplified but comprehensive classification of gem tourmaline species based on quantitative measurement of six common major elements.
Cat’s-Eye Nephrite Jade from Washington State
Cat’s-eye nephrite jade from Washington State. Washington Jade (Edmonds, Washington) made its Tucson debut at the AGTA show with nephrite jade from Washington State.
Low-Fe, High-V Color-Change Burmese Sapphire
The Carlsbad lab identifies a color-change Burmese sapphire with a unique chemistry profile.
Gray Spinel: A New Trend in Colored Stones
In recent years, the colored stone world has seen a growing appetite for unusual colors.
Colombian Emeralds and Mozambican Rubies from Fura Gems
An update on activity at the Coscuez emerald source, as well as ruby deposits in Mozambique.
Book Review: Narrative Jewelry: Tales from the Toolbox
Review of Narrative Jewelry: Tales from the Toolbox by Mark Fenn.
Book Review: Diamonds: An Early History of the King of Gems
A review of Diamonds: An Early History of the King of Gems by Jack Ogden.
Book Review: Figures & Faces: The Art of Jewelry
Review of Figures & Faces: The Art of Jewelry by Patrick Mauriès and Évelyne Possémé
Book Review: Geology: A Very Short Introduction
Review of Geology: A Very Short Introduction by Jan Zalasiewicz.
Book Review: Masterpieces in Miniature: Engraved Gems from Prehistory to the Present
Review of Masterpieces in Miniature: Engraved Gems from Prehistory to the Present by John Boardman and Claudia Wagner.
Book Review: Symphony of Jewels: Anna Hu Opus 2
Review of Symphony of Jewels: Anna Hu Opus 2 by Janet Zapata with Sarah Davis.
Spring 2019 G&G Publication Information
This document provides the publication information for Gems & Gemology
Paraíba-Like Synthetic Sapphire
Two flame-fusion synthetic sapphires with a Paraíba-like color are examined at GIA’s Carlsbad lab.
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