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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Imilac
Imilac
Mimetite
Mount Padbury
Mundrabilla
Murchison
Murchison meteorite
Nautilus Tourmaline Pendant
Nigerian tourmalines
North Chile
Nuevo Mercurio
Opal
Opal
Opal
Opal (var. hyalite)
Opal in matrix
Opal Peacock Brooch
Opal vertebra
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Perovskite
Platinum nugget
Proustite cross (NMNH 12829-00)
Purple agate
Pyrite with calcite
Pyromorphite
Pyrrhotite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Russian beryls
Russian chrysoberyls
Scorodite
Sikhote-Alin
Sinuous Gypsum
Pagination
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