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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basalt drill core
Basalt drill core
Basalt drill core
Basaltic cinder
Calcite
Cornetite
Danburite
DeYoung Pink Diamond
Enstatite
Fluorite
Fluorites
Freedom Diamond
Grossular Garnets
Hemimorphite
Johnstown
Lion of Merelani Tsavorite
Malachite
Malachite slab
Manganoan calcite
Metatorbernite
Microcline (var. amazonite)
Migmatite
Moonstone
Moonstone
Olivine-basalt drill core
Peridotite xenoliths in basalt
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Scapolite
Scapolite
Spinel
Spinel
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