Gem News International
Fine Gems and Update from Myanmar
A look at top-quality gems and insight into a delegation’s visit to gem mines in Myanmar.Read More
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LAB NOTE
First Observation of H4 Defect in CVD Synthetic Diamond
A CVD-grown diamond examined in the Carlsbad lab yields a surprising find.Read More
MICRO-WORLD
Ametrine Optical Dishes: Windows into the Effects of Crystal Structure
Optical activity is studied using a polished block of ametrine.Read More
Micro-World
Imitation Cat’s-Eye Pen “Pearls”
Imitation pearls show kaleidoscopic colors with illumination.Read More
Lab Note
Pink Sapphire Filled with Bismuth-Based Glass
A sapphire with a color not commonly seen in the lab is found to have a glass filling.Read More
Gem News International
Conversation with Gemfields
An exclusive interview with Ian Harebottle, CEO of Gemfields.Read More
