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Smithsonian National Museum of Natural History
GeoGallery
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Alexandrites
Andalusite with quartz, muscovite, and biotite
Calcite with duftite
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Demantoid with serpentine
Dravite
George Pendant
Grossular Garnets
Grossular Garnets
Gypsum with sulphur
Logan Sapphire
Ludlockite with smithsonite
Maharani Cat's Eye
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Moonstone
Moonstone Carving
Phosgenite
Pyrope
Pyrope (var. rhodolite)
Rosser Reeves Star Ruby
Smithsonite
Spinel
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Sulfur
Tennantite
Unusual Gems
Unusual Gems
Vigarano
Pagination
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