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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Adamite
Beryl
Beryl (var. heliodor)
Bununu
Cafarsite
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite with quartz
Fluorites
Harriman
Kyanite schist
Limestone with chert
Magnetite
Milarite with chlorite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal bone
Orthoclase (var. adularia)
Quartz (var. amethyst)
Quartz (var. smoky quartz)
Quartz Gems
Quinn Canyon
Rhodochrosite with arsenopyrite
Roebling Opal
Sandstone
Siderite
Zagami
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