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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Apatite with microcline
Azurite
Beryl ( var. aquamarine)
Beryl with schorl and albite
Bicolor Elbaite
Calcite
Cassiterite
Cranberry Crown
Elbaite
Elbaite with cookeite
Euclase
Gypsum
Gypsum
Gypsum
Hemimorphite
Mimetite
Opal in matrix
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Purple agate
Pyrite with calcite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. smoky-citrine)
Scorodite
Sinuous Gypsum
Topaz
Topaz
Topaz with elbaite, lepidolite, and albite
Topaz with lepidolite
Wulfenite
Wulfenite
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