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Smithsonian National Museum of Natural History
GeoGallery
Breadcrumb
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GeoGallery
Amphibole-rock
Banded iron formation
Baryte
Beryl (var. emerald)
Calcite
Ethiopian Opals
Fluorite
Fluorite
Fluorites
Garnetiferous schist
Georgina Emerald
Granite block
Hematite
Olivine-gabbro
Opal
Opal
Opal
Opal
Opal
Pegmatite
Quartz (var. agate)
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