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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Beryl
Beryl (var. heliodor)
Bununu
Cafarsite
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite with quartz
Fluorites
Garnetiferous schist
Granite block
Kyanite schist
Limestone with chert
Magnetite
Maharaja of Indore Necklace
Milarite with chlorite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal bone
Orthoclase (var. adularia)
Pegmatite
Quartz (var. amethyst)
Quartz (var. smoky quartz)
Quartz Gems
Quinn Canyon
Roebling Opal
Sandstone
Siderite
Zagami
Zircons
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