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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Banded iron formation
Beryl (var. aquamarine)
Beryl (var. green beryl)
Beryl (var. heliodor)
Bustee
Cavansite with stilbite and calcite
Clinohumite
Conchita Montana Sapphire Butterfly
Cordierite (var. iolite)
Cordierite (var. iolite)
Corundum (var. ruby)
Corundum (var. sapphire)
Hope Diamond
Kyanite schist
Mesolite
Missouri River Sapphires
Montana Sapphires
Olivine-gabbro
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. dendritic agate)
Rock Creek Sapphires
Shergotty
Spinel
Spinel
Veszelyite
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