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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Quartz with sphalerite inclusions
Rhodonite
Rock Crystal Quartz Egg
Rose quartz sphere
Rosser Reeves Star Ruby
Royal Butterfly Brooch
Rutile
Sherman Diamond
Sokol Diamond Necklace
Spinel
Spinel peridotite
Spinels
Spodumene (var. hiddenite)
Spodumene (var. kunzite)
Spodumene (var. kunzite)
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Thompson Diamonds
Tiffany Diamond and Ruby Bracelet
Tiffany Diamond Bracelet
Topaz
Topaz
Topaz
Topaz
Topaz
Topaz
Topaz
Topaz
Topaz Earrings
Topaz Gems
Topaz sphere
Topaz with elbaite, lepidolite, and albite
Topaz with lepidolite
Turquoise carving
Unusual Gems
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