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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Calcite
Calcite
Corundum (var. ruby)
Dark Jubilee Opal
Diamond and Sapphire Ring
Diamond Bracelet
Elbaite
Enstatite
Ethiopian Opals
Fluorite
Fluorite
Grossular (var. tsavorite)
Ivory Camels
Moonstone
Nephrite
Nifontovite
Opal
Owl Brooch
Pearl and Diamond Ring
Pentahydroborite
Peridot
Phosgenite
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Rhodonite
Rutile
South Sea Pearl Ring
Spessartine
Spinel
Spinel
Thompson Diamonds
Titanite
Topaz
Tugtupite
Väyrynenite
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