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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Pyrope (var. rhodolite)
Pyrope (var. rhodolite)
Quartz (var. ametrine)
Quartz (var. smoky quartz)
Quartz Gems
Rosser Reeves Star Ruby
Scapolite
Scapolite
Siderite
Southwest Sunset
Spinel
Spinel
Spinel
Spinel ring
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Sunstone
Unusual Gems
Vivianite with pyrite
Zircon
Zircon
Zircons
Zoisite
Zoisite ( var. tanzanite)
Zoisite (var. tanzanite)
Zoisite (var. tanzanite)
Zoisites
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