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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Ibitira eucrite
Imperial Topaz
Jadeite
Jadeitite
Jolie Citrine Necklace
Mimetite
Moonstone
Napoleon Diamond Necklace
Nuevo Mercurio
Opal
Opal (var. hyalite)
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline
Paraiba Tourmaline Ring
Peridot gemstones
Petalite
Post Diamond Tiara
Poudretteite
Purple agate
Pyrite with calcite
Pyroxmangite
Quartz
Quartz
Quartz (var. agate)
Quartz (var. amethyst geode)
Quartz (var. amethyst geode)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. ametrine)
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