Turquoise-Rock Crystal Composite
Using Conventional Equipment to Separate Natural from Synthetic Ametrine
Challenges and Opportunities
Rare Faceted Wurtzite
The Beauty and Value of Inclusions, Plus Double Stars and Corundum from Tajikistan
Baroque Pearls
Crimson Prince Ruby from Namya
Diamond Slices
Wollastonite in Devitrified Glass Imitating Horsetail Inclusions in Demantoid Garnet
Dive Into Summer: Mozambique Ruby, Madagascar Sapphire, and Black Nephrite from China, Plus an Opal Inclusions Chart
Gemological and Chemical Characteristics of Natural Freshwater Pearls from the Mississippi River System
Yellow and Orange Diamonds, New Identification Techniques, and the Chronicles of Chivor
HPHT-Processed CVD Laboratory-Grown Diamonds with Low Color Grades
Lapis-Lazuli from Sar-E-Sang, Badakhshan, Afghanistan
CVD Synthetic Diamond Over 5 Carats Identified by GIA
Results from GIA’s recent testing of a 5.19 ct CVD synthetic diamond, the largest it has examined to date.
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