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Smithsonian National Museum of Natural History
GeoGallery
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Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Beryl
Beryl (var. aquamarine)
Beryl (var. aquamarine) with muscovite
Beryl (var. morganite)
Beryl with microcline and quartz
Bismuth
Corundum (var. ruby)
Dyber Ametrine
Fluorite
Hemimorphite
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Paravauxite
Peridot
Peridot
Peridot
Peridot gemstones
Phosphophyllite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Southwest Sunset
Titanite with calcite and adularia
Triplite
Väyrynenite
Vivianite with pyrite
Zircon (var. cyrtolite)
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