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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Calcite
Carlton iron meteorite
Fluorites
Fort Stockton
Freedom Diamond
Galena with pyrite and marcasite
Hemimorphite
Johnstown
Manganoan calcite
Marble with wollastonite
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Peekskill
Plainview
Plantersville
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Topaz Gems
Topaz Pendant
Zircon (var. cyrtolite)
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