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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aragonite (var. flos ferri)
Azurite in malachite
Azurite with malachite
Azurite with malachite
Azurite with malachite
Calcite
Calcite
Calcite
Cuprite on copper
Hemimorphite
Manganoan calcite
Microcline
Microcline (var. amazonite)
Peridot in Basalt
Quartz (var. agate)
Quartz (var. landscape agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Smithsonite
Wulfenite
Wulfenite
Wulfenite
Zircon (var. cyrtolite)
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