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Smithsonian National Museum of Natural History
GeoGallery
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Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Arkose
Augen gneiss block
Basaltic cinder
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Corundum (var. sapphire)
Dolerite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorites
Freedom Diamond
Hemimorphite
Johnstown
Kyanite
Kyanite
Kyanite after andalusite
Manganoan calcite
Marble with wollastonite
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal replacing wood
Peekskill
Pyromorphite
Pagination
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