“Decorated” Jadeite Jade in the Chinese Market
An examination of jadeite decorated with smaller jadeite ornaments.
Trapiche-Type Sapphire from Tasmania (英语)
A rare Tasmanian trapiche-type sapphire, found during a field expedition, is examined.
Fabergé Symposium
A report from “The Wonder of Fabergé: A Study of The McFerrin Collection,” held at the Houston Museum of Natural Sciences in November 2016.
Sapphire Rush Near Ambatondrazaka, Madagascar (英语)
A newly found deposit of sapphire in Madagascar is explored.
Blue Dravite-Uvite Tourmaline from Koksha Valley, Afghanistan
A new find of tourmaline yields surprising results.
Color-Change Glass as a Zultanite Imitation
Two samples, presented as Zultanite, are revealed to be color-change glass.
Durability of a Broken Glass-Filled Ruby
Imitation Rubellite Boulders
Specimens presented as rubellite tourmaline rough are found to be resin imitations with lead inserts.
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