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Smithsonian National Museum of Natural History
GeoGallery
Breadcrumb
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GeoGallery
Amphibole-rock
Attaway Ametrine
Bismuth
Calcite
Dyber Ametrine
Garnetiferous schist
Granite block
Kermesite with senarmontite and dolomite
Magombedze
Millerite
Paravauxite
Pegmatite
Phosphophyllite
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Titanite
Vivianite with pyrite
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