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Upcoming Events! Join us next February 2026 at the Tucson Gem & Mineral Society event (TGMS). 2026 is Red-White-Blue Corundum.
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Image: From Left: Ruby, 4.02 ct. White sapphire, 6.17 ct. Blue sapphire, 3.14 ct. Ruby and blue sapphire from Myanmar (Burma). White sapphire from Sri Lanka. Courtesy of Pala International.
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Resources
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Free download
George Frederick Kunz
1856-1932
GIA Library Digital book
Gems, Jewelers' materials, and ornamental stones of California
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