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Smithsonian National Museum of Natural History
GeoGallery
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African Gems
Andradite (var. demantoid)
Andradite (var. demantoid)
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Bismuth
Calcite with duftite
Demantoid Bracelet
Descloizite in dolomite
Dyber Ametrine
Fluorites
Hemimorphite
Hoba
Hoba
Jeremejevite
Johnstown
Ludlockite with smithsonite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Paravauxite
Phosgenite
Phosphophyllite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Smithsonite
Southwest Sunset
Spessartine
Pagination
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