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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hemimorphite
Hologem Fire Opal Pendant
Hooker Emerald
Kimberley Diamond
Mackay Emerald Necklace
Marquise Diamond Ring
Maximilian Emerald
Mimetite
Mogul Emerald Necklace
Muscovite schist
Nautilus Tourmaline Pendant
Nigerian tourmalines
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Oppenheimer Diamond
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Parisite with calcite
Pearson Diamond
Portuguese Diamond
Post Emerald Necklace
Purple agate
Pyrite with calcite
Pyritic slate
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Rhodochrosite
Ruby and Diamond Brooch
Scorodite
Shepard Diamond
Sinuous Gypsum
Sokol Emerald Necklace
Spindle Bomb
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