Past Exhibitions
Curated by Bowers Museum President Peter Keller, Ph.D., this exhibition features some of the world's finest known gems.
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On display are more than 300 rare gems, including the largest faceted gemstone, weighing 220 pounds or 500,000 carats; a necklace featuring the two largest known examples of the sapphire-like California state gemstone, benitoite; a 400-carat golden sapphire that is one of the world's largest; and the world's largest tanzanite (242 carats) set in a tiara with 1,000 diamonds. Gems! The Art and Nature of Precious Stones answers the basic questions of gemology, presents delicate and rare gems, and portrays gemstones as art.