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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Amphibole-rock
Apophyllite with prehnite
Arkose
Augen gneiss block
Baryte with berthierite
Basaltic cinder
Beryl
Beryl (var. heliodor)
Bununu
Corundum (var. sapphire)
Cronstedtite
Dolerite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Garnetiferous schist
Granite block
Hemimorphite
Johnstown
Kyanite after andalusite
Manganoan calcite
Mezö-Madaras
Microcline
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Paragould
Pegmatite
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Smithsonites
Pagination
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