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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Attaway Ametrine
Bismuth
Calcite
Danburite
DeYoung Pink Diamond
Dyber Ametrine
Enstatite
Fluorite
Fluorites
Grossular Garnets
Moonstone
Moonstone
Paravauxite
Phosphophyllite
Platinum nugget
Pyrope (var. rhodolite)
Quartz (var. ametrine)
Quartz Gems
Russian chrysoberyls
Scapolite
Scapolite
Southwest Sunset
Spinel
Spinel
Spinel ring
Sunstone
Unusual Gems
Vanadinite with romanechite
Vivianite with pyrite
Zircon
Zircon
Zoisite
Zoisite ( var. tanzanite)
Zoisite (var. tanzanite)
Zoisite (var. tanzanite)
Zoisites
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