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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Ahumada
Alexandrites
Azurite
Ballinoo
Basalt
Bencubbin
Beryl (var. aquamarine)
Black Opal Ring
Calcite
Calcite
Calcite
Carbo
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Crocoite with coronadite
Dark Jubilee Opal
Dravite
Fire Opal
Fire Opal
Fluorite
George Pendant
Grossular Garnets
Grossular Garnets
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Henbury
Hologem Fire Opal Pendant
Logan Sapphire
Maharani Cat's Eye
Pagination
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