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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
Beryl ( var. trapiche emerald)
Calcite
Chalk Emerald
Emerald Carving
Estherville meteorite
Fluorites
Freedom Diamond
Gachala Emerald
Hemimorphite
Homestead
Hooker Emerald
Johnstown
Mackay Emerald Necklace
Manganoan calcite
Maximilian Emerald
Microcline (var. amazonite)
Migmatite
Mogul Emerald Necklace
Olivine-basalt drill core
Parisite with calcite
Peridotite xenoliths in basalt
Post Emerald Necklace
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Smithsonite
Smithsonites
Sokol Emerald Necklace
Zircon (var. cyrtolite)
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