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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aegirine with orthoclase
Amphibole-rock
Corundum (var. sapphire)
Elbaites
Garnetiferous schist
Granite
Granite block
Havey Tourmaline
Labradorite (var. rainbow moonstone)
Nakhla
Pegmatite
Peridot gemstones
Staurolite schist
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