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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Carlton iron meteorite
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ensisheim
Ethiopian Opals
Fort Stockton
Garnetiferous schist
Georgina Emerald
Granite block
Juvinas
Kermesite with senarmontite and dolomite
Magombedze
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Orgueil meteorite
Pegmatite
Plainview
Plantersville
Pyromorphite
Quartz on siderite
Staurolite
Titanite
Topaz Gems
Pagination
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