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Topaz
Honey yellow. Fiery orange. Cyclamen pink. Icy blue. In warm or cool tones, topaz is a lustrous and brilliant gem.
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Ukrainian Pegmatitic Heliodor and Topaz
Topaz and beryl from the Volyn deposit in Ukraine were popular offerings at this year’s Tucson shows. Read More
Topaz from Mason County, Texas
A comprehensive look at Texas topaz, detailing its gemological and compositional characteristics and providing a basis for using trace element concentrations to identify its origin.
Spray of Columbite Crystals in Topaz
A cluster of bladed columbite crystals is identified in colorless topaz.
Book Review: Pegmatites and Their Gem Minerals
Review of Pegmatites and Their Gem Minerals by Michael Menzies and Jeffrey Scovil.
Topaz Crystals in Red Beryl
The first report of a topaz inclusion in rare red beryl from Utah.
Unusual Glass-and-Quartz Triplet Imitation of Emerald
An extremely convincing imitation of emerald is examined in Beijing.
“Boomerang” Inclusion in a Rough Topaz
A unique twinned crystal inclusion resembles a boomerang in a rough topaz.
Gem Topaz from the Schneckenstein Crag, Saxony, Germany: Mineralogical Characterization and Luminescence
Characterizes yellow topaz from this historical source, with particular emphasis on its photoluminescence behavior.
