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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl (var. heliodor)
Black Opal Ring
Calcite
Calcite
Corundum (var. padparadscha sapphire)
Corundum (var. sapphire)
Corundum (var. sapphire)
Cranberry Crown
Elbaite
Enstatite
Ethiopian Opals
Fluorite
Fluorite
Grossular (var. tsavorite)
Moonstone
Nifontovite
Opal
Opal
Pentahydroborite
Peridot
Petersen Tanzanite Brooch
Phosgenite
Post Diamond Tiara
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Quartz with sphalerite inclusions
Rhodonite
Rutile
Sapphire Bracelet
South Sea Pearl Ring
Southern Charm Pearl Earrings
Spessartine
Spinel
Spinel
Titanite
Pagination
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