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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Jadeitite
Kimberley Diamond
Marquise Diamond Ring
Mimetite
Moonstone
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Oppenheimer Diamond
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Pearson Diamond
Peridot gemstones
Petalite
Portuguese Diamond
Poudretteite
Purple agate
Pyrite with calcite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Rhodochrosite
Ruby and Diamond Brooch
Scapolite
Scorodite
Shepard Diamond
Sinuous Gypsum
Spindle Bomb
Spinel Bracelet
Spinels
Spinels
Star of Asia
Sugilite
Tlacotepec
Topaz
Pagination
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