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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Aurichalcite with hemimorphite
Beryl
Beryl (var. emerald)
Beryl (var. emerald)
Bismuth
Cafarsite
Dyber Ametrine
Ethiopian Opals
Farmville
Fluorite with quartz
Fluorites
Georgina Emerald
Granite block
Kyanite schist
Magnetite
Milarite with chlorite
Opal
Opal
Opal
Opal
Opal
Orthoclase (var. adularia)
Paravauxite
Phosphophyllite
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz (var. smoky quartz)
Quartz Gems
Quartz Pendant
Sandstone
Siderite
Southwest Sunset
Vivianite with pyrite
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