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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Abee
Acasta Gneiss
Arkose
Augen gneiss block
Basaltic cinder
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Chabazite
Corundum (var. sapphire)
Dolomite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elpidite with pyrite
Fluorites
Freedom Diamond
Grossular Garnets
Hemimorphite
Hubnerite with quartz
Johnstown
Labradorite Carving
Manganoan calcite
Marble with wollastonite
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Opal
Peekskill
Quartz (var. agate)
Pagination
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