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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl (var. heliodor)
Black Opal Ring
Calcite
Calcite
Conchita Montana Sapphire Butterfly
Corundum (var. padparadscha sapphire)
Corundum (var. sapphire)
Diamond Ring
Elbaite
Elbaite
Elbaite
Enstatite
Ethiopian Opals
Fluorite
Fluorite
Grossular (var. tsavorite)
Lacloche Diamond Bracelet
Mogul Emerald Necklace
Moonstone
Nifontovite
Opal
Pentahydroborite
Peridot
Petersen Tanzanite Brooch
Phosgenite
Post Diamond Tiara
Poudretteite
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Rhodonite
Rutile
Sokol Diamond Necklace
Sokol Emerald Necklace
South Sea Pearl Ring
Spessartine
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