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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Calcite
Chinguetti
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Corundum (var. sapphire)
Dyscrasite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorites
Kyanite
Kyanite
Kyanite schist
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Missouri River Sapphires
Montana Sapphires
Nautilus Tourmaline Pendant
Nigerian tourmalines
Peekskill
Pyrope Hair Comb
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Veszelyite
Zagami
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