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Smithsonian National Museum of Natural History
GeoGallery
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Andesite
Beryl
Beryl ( var. morganite)
Beryl (var. heliodor)
Cat's Eyes
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaite and Nephrite Bracelet
Elbaites
Garnet-bearing monzonite
Glaucophane schist
Limestone
Metaconglomerate
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Rhyolite
Rhyolite pumice
Spodumene (var. kunzite)
Unusual Gems
Unusual Gems
Unusual Gems
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