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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Abee
Acasta Gneiss
Actinolite
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Bismuth
Chabazite
Columnar dacite
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Dolomite
Dyber Ametrine
Elpidite with pyrite
Grossular Garnets
Hemimorphite
Johnstown
Kyanite schist
Labradorite Carving
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Missouri River Sapphires
Montana Sapphires
Nephrite Bowl
Paravauxite
Phosphophyllite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Pagination
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