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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hologem Fire Opal Pendant
Jeremejevite
Liddicoatite
Liddicoatite slices
Logan Sapphire
Maharani Cat's Eye
Mimetite
Moonstone
Moonstone Carving
Nakhla
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orbicular agate
Orthoclase
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Peridot gemstones
Purple agate
Pyrite with calcite
Pyrope
Pyrope (var. rhodolite)
Quartz
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz with Fluorite
Rosser Reeves Star Ruby
Scorodite
Sinuous Gypsum
Spessartine
Spindle Bomb
Spinel
Spinels
Pagination
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