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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Adamite
Afghanite with calcite
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Bastnäsite with quartz
Beryl (var. heliodor)
Bismuth
Clinohumite
Corundum (var. ruby)
Corundum (var. ruby)
Dyber Ametrine
Elbaites
Fluorite
Hemimorphite
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Paravauxite
Phosphophyllite
Picasso Kunzite Necklace
Pollucite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Rhodochrosite with arsenopyrite
Southwest Sunset
Spinel
Vivianite with pyrite
Zircon (var. cyrtolite)
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