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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Afghanite with calcite
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Bastnäsite with quartz
Bismuth
Conchita Montana Sapphire Butterfly
Corundum (var. ruby)
Corundum (var. sapphire)
Dyber Ametrine
Elbaites
Fluorite
Hemimorphite
Johnstown
Kyanite schist
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Missouri River Sapphires
Montana Sapphires
Paravauxite
Phosphophyllite
Picasso Kunzite Necklace
Pitts
Pollucite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Rock Creek Sapphires
Southwest Sunset
Pagination
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