9,000-carat gemstone among many dazzlers on display in new Perot Museum exhibit
Some finds are not seen anywhere else in the world, including the rare Imperial Flame topaz, a 332-carat carving from Oura ...
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Explore topaz treasures at the Perot Museum
The exhibit explores the full color spectrum of topaz, from the more common yellow and blue varieties to the rare and highly coveted Imperial Topaz. "It actually comes in several different warm ...