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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Gold
Gold
Gold
Gold leaf
Gold nugget
Gold on quartz
Goose Lake
Hematite with quartz
Hydroxylherderite
Ibitira eucrite
Imperial Topaz
Jeremejevite
Jolie Citrine Necklace
Kimberley Diamond
Lawsonite
Liddicoatite
Liddicoatite slices
Limestone
Marquise Diamond Ring
Merwinite
Metaconglomerate
Napoleon Diamond Necklace
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Opal
Oppenheimer Diamond
Orbicular agate
Orthoclase
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline Ring
Pearson Diamond
Portuguese Diamond
Post Diamond Tiara
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