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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl ( var. trapiche emerald)
Chalk Emerald
Cobaltite
Emerald Carving
Fluorite
Fluorites
Gachala Emerald
Hooker Emerald
Lafayette
Lafayette
Limestone with chert
Mackay Emerald Necklace
Marcasite
Maximilian Emerald
Mogul Emerald Necklace
Opal
Opal bone
Parisite with calcite
Pearl and Peridot Haircomb
Post Emerald Necklace
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Sokol Emerald Necklace
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