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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Attaway Ametrine
Aurichalcite with hemimorphite
Beryl
Bismuth
Cafarsite
Dolerite
Dyber Ametrine
Fluorite with quartz
Fluorites
Kyanite after andalusite
Kyanite schist
Limestone with chert
Magnetite
Milarite with chlorite
Opal
Opal bone
Orthoclase (var. adularia)
Paravauxite
Phosphophyllite
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz (var. smoky quartz)
Quartz Gems
Quinn Canyon
Roebling Opal
Sandstone
Sandstone
Siderite
Southwest Sunset
Stalagmite
Staunton
Vivianite with pyrite
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