The 97.45-carat Blaze Imperial Topaz is in the collection of the Field Museum of Natural History. - Courtesy "Gems and Gemstones: Timeless Natural Beauty of the Mineral World" by Grande & Augustyn, U ...
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Explore topaz treasures at the Perot MuseumThe exhibit explores the full color spectrum of topaz, from the more common yellow and blue varieties to the rare and highly ...
Red is one of the most sought-after topaz colors and represents less than one-half of 1 percent of facet-grade material found. The color the trade calls imperial topaz is highly prized and very rare.
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