Lab Notes Gems & Gemology, Volume 46, No. 2

Summer 2010 G&G Lab Notes


Unusual Polyphase Inclusions in Corundum
Black Diamond with Solid CO2 Micro-Inclusions and Phosphorescent Zones
Fancy Vivid Blue HPHT-Treated Diamond
Interesting Display of the H3 Defect in a Colorless Diamond
CVD Synthetic Diamond Over One Carat
Synthetic Diopside in Manufactured Glass
Green Be-Diffused Sapphire
Heat-Treated Spinel
Erratum
 
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