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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Ahumada
Attaway Ametrine
Azurite
Basalt
Bellsbank
Bismuth
Blue Heart Diamond
Calcite
Calcite
Calcite
Carbo
Chinguetti
Cornetite
Cullinan Blue Diamond Necklace
Diamond in kimberlite
Dyber Ametrine
Eclogite
Eclogite
Fire Opal
Fire Opal
Fluorites
Garnet peridotite
Garnet peridotite
Gypsum
Gypsum
Gypsum
Hematite with quartz
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Kimberley Diamond
Malachite
Malachite slab
Marquise Diamond Ring
Metatorbernite
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