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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Banded iron formation
Basaltic cinder
Beryl (var. aquamarine)
Beryl (var. green beryl)
Bustee
Cafarsite
Cavansite with stilbite and calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Fluorite with quartz
Fluorites
Freedom Diamond
Hemimorphite
Hope Diamond
Johnstown
Kyanite schist
Magnetite
Manganoan calcite
Mesolite
Microcline (var. amazonite)
Migmatite
Milarite with chlorite
Olivine-gabbro
Orthoclase (var. adularia)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. dendritic agate)
Quartz (var. smoky quartz)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Shergotty
Siderite
Zircon (var. cyrtolite)
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