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Brownish Red Zircon from Muling, China
Gem-quality brownish red zircon occurs in alluvium derived from Tertiary alkali basalt at Muling in the northeast Chinese province of Heilongjiang.
The First Identified Non-Nacreous Beaded Cultured Pearl
Ametrine Optical Dishes: Windows into the Effects of Crystal Structure
Pink and Red Epidote in Quartz
Fine Corundum, Demantoid Garnet
Irradiated HPHT-Grown Diamonds with Blue-Green Color Zonation
Importance of the Secondary Market for Fine Gems
Exceptional gems that are recirculated in the gem market make an impact at the Tucson shows.
De Beers near Colorless-to-Blue Experimental Gem-Quality Synthetic Diamonds
Intarsia Jewelry Box by Nicolai Medvedev and Susan Helmich
