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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Beryl (var. emerald)
Cafarsite
Cape York
Dolerite
Ethiopian Opals
Fluorite with quartz
Fluorites
Folded anorthosite
Georgina Emerald
Kyanite after andalusite
Kyanite schist
Magnetite
Milarite with chlorite
Opal
Opal
Opal
Opal
Opal
Orthoclase (var. adularia)
Quartz (var. smoky quartz)
Quartz Gems
Siderite
Stalagmite
Staunton
Tugtupite
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