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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aegirine with orthoclase
Amphibole-rock
Beryl
Beryl (var. heliodor)
Bismuthinite
Bununu
Calcite
Calcite in betekhtinite
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. sapphire)
Creedite with pyrite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorites
Garnetiferous schist
Granite block
Kyanite schist
Labradorite (var. rainbow moonstone)
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Missouri River Sapphires
Montana Sapphires
Nautilus Tourmaline Pendant
Nigerian tourmalines
Peekskill
Pegmatite
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Veszelyite
Zagami
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