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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Attaway Ametrine
Augen gneiss block
Aurichalcite with hemimorphite
Basaltic cinder
Beryl
Beryl
Beryl (var. heliodor)
Bismuth
Bununu
Corundum (var. sapphire)
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite
Freedom Diamond
Hemimorphite
Johnstown
Lafayette
Lafayette
Manganoan calcite
Marcasite
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Paravauxite
Pearl and Peridot Haircomb
Phosphophyllite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Pagination
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