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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Black Opal Ring
Calcite
Calcite
Calcite
Corundum (var. padparadscha sapphire)
Corundum (var. sapphire)
Dragonfly Box
Elbaite
Enstatite
Ethiopian Opals
Fluorite
Fluorite
Grossular (var. tsavorite)
Hooker Yellow Diamonds
Moonstone
Nifontovite
Opal
Pentahydroborite
Peridot
Petersen Tanzanite Brooch
Phosgenite
Post Diamond Tiara
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Rhodonite
Rutile
South Sea Pearl Ring
Spessartine
Spinel
Spinel
Titanite
Topaz
Tugtupite
Väyrynenite
Whitney Alexandrite
Pagination
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