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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Attaway Ametrine
Augen gneiss block
Baryte
Basaltic cinder
Bismarck Sapphire Necklace
Bismuth
Burmese Ruby Bracelet
Calcite
Carmen LĂșcia Ruby
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Danburite
Dyber Ametrine
Estherville meteorite
Fluorite
Fluorite with calcite and chalcopyrite
Fluorites
Hemimorphite
Homestead
Jadeite
Jadeitite
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Moonstone
Paravauxite
Peridot gemstones
Petalite
Phosphophyllite
Poudretteite
Quartz (var. agate)
Quartz (var. ametrine)
Pagination
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