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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Calcite
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Demantoid with serpentine
Dravite
Dyscrasite
Elbaites
George Pendant
Granite
Grossular Garnets
Grossular Garnets
Gypsum with sulphur
Havey Tourmaline
Logan Sapphire
Maharani Cat's Eye
Moonstone
Moonstone Carving
Phosgenite
Pyrope
Pyrope (var. rhodolite)
Pyrope Hair Comb
Rosser Reeves Star Ruby
Spinel
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Staurolite schist
Sulfur
Unusual Gems
Unusual Gems
Vigarano
Pagination
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