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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Bismuth
Bismuthinite
Cafarsite
Calcite in betekhtinite
Creedite with pyrite
Dyber Ametrine
Fluorite with calcite
Fluorite with quartz
Fluorites
Imilac
Imilac
Kyanite schist
Magnetite
Milarite with chlorite
North Chile
Orthoclase (var. adularia)
Paravauxite
Phosphophyllite
Proustite cross (NMNH 12829-00)
Pyrite
Quartz (var. ametrine)
Quartz (var. smoky quartz)
Quartz Gems
Siderite
Southwest Sunset
Sphalerite
Unusual Gems
Vivianite with pyrite
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