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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Johnstown
Kyanite after andalusite
Kyanite schist
Kyanite with biotite
Labradorite Carving
Labradorite Sunstone
Lafayette
Lafayette
Lawsonite
Limestone
Limestone with chert
Lost City meteorite
Manganoan calcite
Marble with wollastonite
Marcasite
Marie Louise Diadem
Merwinite
Mesolite
Metaconglomerate
Microcline (var. amazonite)
Migmatite
Millerite
Millerite
Millerite with hematite and quartz
Missouri River Sapphires
Montana Sapphires
Muscovite schist
Nephrite Bowl
Nephrite Bowl
New Concord
Norton County
Olivine-basalt drill core
Olivine-gabbro
Opal
Opal
Opal
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