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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Moonstone Carving
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Perovskite
Platinum nugget
Purple agate
Pyrite with calcite
Pyrope
Pyrope (var. rhodolite)
Pyrrhotite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Rosser Reeves Star Ruby
Russian beryls
Russian chrysoberyls
Scorodite
Sikhote-Alin
Sinuous Gypsum
Sperrylite
Spindle Bomb
Spinel
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Tiffany Amethyst Necklace
Tlacotepec
Topaz
Topaz Gems
Unusual Gems
Wulfenite
Pagination
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