Potentate’s Montana Sapphire Mine: An Interview with Warren Boyd
An update on the activity at Potentate’s Montana deposits.
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.
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.
Book Review: Narrative Jewelry: Tales from the Toolbox
Review of Narrative Jewelry: Tales from the Toolbox by Mark Fenn.
Paraíba-Like Synthetic Sapphire
Two flame-fusion synthetic sapphires with a Paraíba-like color are examined at GIA’s Carlsbad lab.
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

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