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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Basalt drill core
Basalt drill core
Basalt drill core
Bismuth
Bismuthinite
Cafarsite
Calcite in betekhtinite
Creedite with pyrite
Dyber Ametrine
Fluorite with quartz
Fluorites
Kyanite schist
Magnetite
Milarite with chlorite
Muscovite schist
Olivine-basalt drill core
Orthoclase (var. adularia)
Paravauxite
Peridotite xenoliths in basalt
Phosphophyllite
Pyritic slate
Quartz (var. ametrine)
Quartz (var. smoky quartz)
Quartz Gems
Siderite
Southwest Sunset
Vivianite with pyrite
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