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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Andradite (var. demantoid)
Andradite (var. demantoid)
Cafarsite
Calcite with duftite
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Demantoid Bracelet
Descloizite in dolomite
Fluorite with quartz
Fluorites
Hoba
Hoba
Jeremejevite
Kyanite schist
Kyanite schist
Ludlockite with smithsonite
Magnetite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Milarite with chlorite
Missouri River Sapphires
Montana Sapphires
Muscovite schist
Orthoclase (var. adularia)
Phosgenite
Pyritic slate
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz)
Quartz Gems
Rock Creek Sapphires
Siderite
Smithsonite
Spessartine
Tennantite
Pagination
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