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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Attaway Ametrine
Beryl
Beryl (var. heliodor)
Bismuth
Bununu
Chabazite
Corundum (var. sapphire)
Dyber Ametrine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Garnetiferous schist
Granite block
Monazite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal replacing wood
Paravauxite
Pegmatite
Peridot gemstones
Phosphophyllite
Prehnite
Pyromorphite
Quartz (var. ametrine)
Quartz Gems
Southwest Sunset
Unusual Gems
Unusual Gems
Vivianite with pyrite
Zagami
Zincite
Zincite
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