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Smithsonian National Museum of Natural History
GeoGallery
Breadcrumb
Home
Arkose
Augen gneiss block
Basaltic cinder
Bellsbank
Blue Heart Diamond
Cullinan Blue Diamond Necklace
Diamond in kimberlite
Eclogite
Eclogite
Fluorites
Garnet peridotite
Garnet peridotite
Hematite with quartz
Hemimorphite
Johnstown
Manganoan calcite
Marquise Diamond Ring
Microcline
Microcline (var. amazonite)
Migmatite
Oppenheimer Diamond
Pearson Diamond
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rhodochrosite
Ruby and Diamond Brooch
Shepard Diamond
Sugilite
Unusual Gems
Victoria-Transvaal Diamond
Zircon (var. cyrtolite)
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