In Memoriam: Jean Claude Michelou
The gem and jewelry industry mourns the loss of one of its true leaders.
Gemstone Artisan Keycaps
Paraíba-Like Synthetic Sapphire
Two flame-fusion synthetic sapphires with a Paraíba-like color are examined at GIA’s Carlsbad lab.
New Fluorite Deposit in Nigeria
Tairus Hydrothermal Synthetic Sapphires Doped with Nickel and Chromium
Suggested Reading on Emeralds and their Inclusions
Sapphire Chart Article: Suggested Reading on Sapphires and Their Inclusions
Synthetic Moissanite: A New Diamond Substitute
Spring 2020 G&G Publication Information
This document provides the publication information for Gems & Gemology
Fall 2014 G&G Publication Info
This document provides the publication information for Gems & Gemology
Chrysoprase and Prase Opal from Haneti, Central Tanzania
Cutting Diffraction Gratings to Improve Dispersion (“Fire”) in Diamonds
Turquoise-Rock Crystal Composite
Using Conventional Equipment to Separate Natural from Synthetic Ametrine
D-Color Natural IIa Diamond with Walstromite Inclusion
Strong Fluorescence in B-Jade Impregnated with Wax
Suggested Reading on Diamond Inclusions
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