Diagnostic Features and Heat Treatment of Kashmir Sapphires
Today, only by combining different gemmological tests with years of practical experience, can a conclusive determination of the origin of a sapphire be made.
Tairus Hydrothermal Synthetic Sapphires Doped with Nickel and Chromium
Researchers from the Tairus joint venture have developed the technology for the hydrothermal growth of gem-quality crystals of synthetic sapphire.
The Gemmological Properties of Chatham Flux-Grown Synthetic Orange Sapphire and Synthetic Blue Sapphire
The author examines the gemmological properties of Chatham flux-grown synthetic orange sapphires and blue sapphires.
A New Method for Detecting Be Diffusion-Treated Sapphires: Laser-Induced Breakdown Spectroscopy (LIBS)
This article describes the first application of laser-induced breakdown spectroscopy (LIBS) to gemmology.