29 American Topaz

29 American Topaz

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The world's largest cut topaz, called the American Topaz, resides at the Smithsonian Institution in Washington, DC. A 172-faceted topaz weighing 22,892.50 carats (5785 kg), it's the largest cut yellow topaz in the world, and one of the largest faceted gems of any kind in the world. Originating from Minais Gerais, Brazil, it was cut over a period of two years. It was purchased by the Rockhound Hobbyists of America and presented to the Smithsonian Institution in 1988.

As stunning as this cut topaz is, another display at the Smithsonian is equally dazzling and awe-inspiring. That's a sherry-colored topaz "spray" from the Thomas Range in Utah. This color of topaz can be found in Mexico and Utah, but when it's exposed to sunlight, will become clear.

Other spectacular displays of natural crystals include a cluster of Stibnite, an ore of antimony, which has a bright metallic

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