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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amphibole-rock
Baryte
Beryl
Beryl (var. heliodor)
Beryl (var. heliodor)
Bununu
Calcite
Clinohumite
Corundum (var. ruby)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorite
Fluorite
Fluorites
Garnetiferous schist
Granite block
Hematite
Monazite
Muscovite schist
Nautilus Tourmaline Pendant
Nigerian tourmalines
Pegmatite
Peridot gemstones
Pyritic slate
Spinel
Spinel
Zagami
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