Multi-Generation Cutting Family from Idar-Oberstein
The Beauty of Natural Green Diamonds
Cultured Pearl Update
Multiphase Fluid Inclusions in Blue Sapphires from the Ilmen Mountains, Southern Urals
Sapphires from Russia’s Ilmen State Reserve may provide insight into gem corundum from secondary placers.
Plastic Amber Imitation in a Rosary
Japanese Jadeite Tables
The Cause of Iridescence in Rainbow Andradite from Nara, Japan
“Rainbow” andradite from Nara, Japan, occurs as relatively small orangy brown crystals that show attractive iridescence in almost the entire range of the spectrum.
Land of Origins: A Gemological Expedition to Ethiopia
Documents a visit to the sapphire, opal, and emerald mining and trading areas of Ethiopia.
Letters: Nacken Synthetic Emeralds: Additional Information
Ametrine Optical Dishes: Windows into the Effects of Crystal Structure
Copper in Indonesian Chalcedony
Dendritic Patterns in Emerald
Devitrified Glass “Pom-Poms” in Ruby
Evil Eye in a Flux-Healed Mong Hsu Ruby
“Hummingbird” in Orangy Yellow Diamond
Kyanite in Quartz
Lepidolite in Copper-Bearing Tourmaline
Prismatic Zircon in Kashmir Sapphire
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