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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Afghanite with calcite
Bastnäsite with quartz
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Columnar dacite
Corundum (var. ruby)
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Elbaites
Fluorite
Fluorites
Kermesite with senarmontite and dolomite
Magombedze
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal replacing wood
Peekskill
Picasso Kunzite Necklace
Pollucite
Pyromorphite
Titanite
Zagami
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