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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Beryl
Beryl (var. aquamarine)
Beryl (var. green beryl)
Beryl (var. heliodor)
Bununu
Bustee
Cavansite with stilbite and calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Corundum (var. sapphire)
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Estherville meteorite
Freedom Diamond
Gypsum with sulphur
Hemimorphite
Homestead
Hope Diamond
Johnstown
Manganoan calcite
Mesolite
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Phosgenite
Quartz (var. agate)
Quartz (var. dendritic agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Pagination
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