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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Apatite
Arkose
Augen gneiss block
Basaltic cinder
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite Carving
Grossular (var. tsavorite)
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Grossular Garnet
Grossular Garnets
Hemimorphite
Johnstown
Labradorite Sunstone
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Oregon Sunstones
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Sunstones
Under the Sea Sunstone Carving
Willamette
Zircon (var. cyrtolite)
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