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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Pearl and Diamond Ring
Peridot gemstones
Pyrope (var. rhodolite)
Quartz (var. amethyst)
Quartz Gems
Quartz with sphalerite inclusions
Royal Butterfly Brooch
Scapolite
Scapolite
Sherman Diamond
Sokol Diamond Necklace
Spinel
Spinel
Spinel peridotite
Spinel ring
Spodumene (var. hiddenite)
Sunstone
Thompson Diamonds
Tiffany Diamond and Ruby Bracelet
Tiffany Diamond Bracelet
Turquoise carving
Wilkinson Diamond Brooch
Wilkinson Diamond Ringdant
Winston Adamantine Pearl
Zircon
Zircon
Zoisite
Zoisite ( var. tanzanite)
Zoisite (var. tanzanite)
Zoisite (var. tanzanite)
Zoisites
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