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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Elbaite steamboat
Elbaites
Ellestadite
Fire Opal
Fire Opal
Foshagite
Garnet-bearing monzonite
Glaucophane schist
Gold
Gold
Gold
Gold leaf
Gold nugget
Gold on quartz
Goose Lake
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Jeremejevite
Lawsonite
Liddicoatite
Liddicoatite slices
Limestone
Merwinite
Metaconglomerate
Mimetite
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Pagination
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