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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Calcite
Chabazite
Elbaite
Elbaite
Fluorites
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Paragould
Peekskill
Prehnite
Smithsonites
Success meteorite
Unusual Gems
Unusual Gems
Yellow diamond crystal
Zincite
Zincite
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