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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hologem Fire Opal Pendant
Hope Diamond
Logan Sapphire
Maharani Cat's Eye
Mesolite
Mimetite
Moonstone
Moonstone Carving
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Purple agate
Pyrite with calcite
Pyrope
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. dendritic agate)
Rosser Reeves Star Ruby
Scorodite
Shergotty
Sinuous Gypsum
Spindle Bomb
Spinel
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Tlacotepec
Topaz
Unusual Gems
Wulfenite
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