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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl
Beryl (var. aquamarine)
Beryl (var. green beryl)
Beryl (var. heliodor)
Bununu
Bustee
Cavansite with stilbite and calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Hope Diamond
Kyanite with biotite
Limestone with chert
Mesolite
Nautilus Tourmaline Pendant
New Concord
Nigerian tourmalines
Opal
Opal bone
Quartz (var. amethyst)
Quartz (var. dendritic agate)
Quinn Canyon
Roebling Opal
Sandstone
Shergotty
Weston
Zagami
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