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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Baryte
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Calcite
Calcite
Carlton iron meteorite
Corundum (var. sapphire)
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ethiopian Opals
Fluorite
Fluorite
Fluorites
Fort Stockton
Georgina Emerald
Gypsum with sulphur
Hematite
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Peekskill
Phosgenite
Plainview
Plantersville
Pagination
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