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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Baryte
Beryl ( var. trapiche emerald)
Calcite
Chalk Emerald
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Emerald Carving
Fluorite
Fluorite with calcite and chalcopyrite
Fluorites
Gachala Emerald
Hooker Emerald
Kyanite schist
Mackay Emerald Necklace
Maximilian Emerald
Missouri River Sapphires
Mogul Emerald Necklace
Montana Sapphires
Muscovite schist
Parisite with calcite
Post Emerald Necklace
Pyritic slate
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Sokol Emerald Necklace
Veszelyite
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