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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Mount Padbury
Mundrabilla
Murchison
Murchison meteorite
Nuevo Mercurio
Olivine-basalt drill core
Opal
Opal
Opal
Opal (var. hyalite)
Opal in matrix
Opal Peacock Brooch
Opal vertebra
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Peridotite xenoliths in basalt
Purple agate
Pyrite with calcite
Pyromorphite
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Scapolite
Scapolite
Scorodite
Sinuous Gypsum
Spindle Bomb
Spinel
Spinel
Spinel ring
Sunstone
Tiffany Opal Necklace
Tlacotepec
Topaz
Pagination
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