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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Columnar dacite
Corundum (var. sapphire)
EET 92029,0
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ethiopian Opals
Georgina Emerald
GRO 85201,0
Limestone with chert
MacAlpine Hills 88105
Miller Range 03346
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Opal
Opal bone
PAT 91501,5
PAT 91501,50
Peridot gemstones
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Zagami
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