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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Beryl
Beryl (var. heliodor)
Bismuth
Bununu
Corundum (var. sapphire)
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ensisheim
Juvinas
Kyanite with biotite
Limestone with chert
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal bone
Orgueil meteorite
Paravauxite
Phosphophyllite
Pyromorphite
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz Gems
Quartz on siderite
Quinn Canyon
Roebling Opal
Sandstone
Southwest Sunset
Staurolite
Vivianite with pyrite
Weston
Zagami
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