Abstracts; Summer 2009
This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
The Biron Hydrothermal Synthetic Emerald
A new synthetic emerald exhibits some characteristics that are distinctly different from other synthetic emeralds, such as gold inclusions.
Gemmological Investigation of a New Type of Russian Hydrothermal Synthetic Emerald
Tairus, in Novosibirsk, has produced yet another new type of Russian hydrothermal synthetic emerald.
Characterisation of Chinese Hydrothermal Synthetic Emerald
Synthetic emeralds grown hydrothermally in an alkali-free, chlorine-bearing solution have been manufactured in Guilin, China, since 1987.
The Lennix Synthetic Emerald
An examination of the gemmological properties of a French flux fusion-grown synthetic emerald.
"Emeraldolite": A New Synthetic Emerald Overgrowth on Natural Beryl
This article describes a new manufactured gem material marketed under the trade name "Emeraldolite," which is an epitaxial growth of flux synthetic emerald on opaque white beryl.
The Chromium Content of Lechleitner Synthetic Emerald Overgrowth
The higher the chromium content in synthetic emerald overgrowth, the darker the coating and appearance of the stone will be.
Characterisation of the New Malossi Hydrothermal Synthetic Emerald
A new production of hydrothermal synthetic emeralds.
The Separation of Natural from Synthetic Emeralds by Infrared Spectroscopy
The technique is nondestructive and, with Fourier transform instrumentation, extremely rapid in comparison to most laboratory methods.
Russian Flux-Grown Synthetic Emeralds
The properties and techniques of flux-grown synthetic emeralds from Russia are discussed.