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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Afghanite with calcite
Arkose
Augen gneiss block
Basaltic cinder
Bastnäsite with quartz
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Corundum (var. ruby)
Corundum (var. sapphire)
Eclogite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaites
Fluorite
Fluorites
Hemimorphite
Johnstown
Manganoan calcite
Marble with wollastonite
Microcline
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Monazite
Muscovite schist
Nautilus Tourmaline Pendant
Nigerian tourmalines
Peekskill
Peridot gemstones
Picasso Kunzite Necklace
Pollucite
Pagination
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