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Smithsonian National Museum of Natural History

GeoGallery

Alexandrites (NMNH G2042, G3407, G10065)::11064991

Alexandrites

Andradite (var. demantoid) (NMNH G11402-00)::11028377

Andradite (var. demantoid)

Demantoid Garnets (NMNH G2150, G2175, G3627)::11064993

Andradite (var. demantoid)

Basalt bomb (NMNH 116697)::10954333

Basalt bomb

Cape York (USNM 5727)::1000945

Cape York

Chromian diopside (NMNH G8822)::13224696

Chrome Diopside

Fluorite (NMNH R17986)::10246338

Fluorite with calcite

Fluorite gemstones::10246109

Fluorites

Amitsoq Gneiss (NMNH 113545)::10954873

Folded anorthosite

Galena with Calcite (NMNH R19497)::10246425

Galena with chalcopyrite, sphalerite, and others

NMNH R5022::1000992

Perovskite

Platinum (NMNH 73736)::10246679

Platinum nugget

Pyrite (NMNH R18657)::10246424

Pyrite

Pyrrhotite (NMNH R19554)::10246441

Pyrrhotite

Russian beryl (NMNH 106292)::11194489

Russian beryls

Russian chrysoberyl (NMNH C1619)::11194493

Russian chrysoberyls

Sikhote-Alin (USNM 5750)::1000954

Sikhote-Alin

Sperrylite (NMNH 170395)::10246442

Sperrylite

Sphalerite (NMNH G10695-00)::10479665

Sphalerite

Tiffany Amethyst Necklace (NMNH G10538)::15324887

Tiffany Amethyst Necklace

Group of topaz gems::15324913

Topaz Gems

Crown view of tugtipite gem (NMNH G11670)::13074876

Tugtupite

Group of Gems (NMNH G9018, G8633, G9837, G8454, G8419)::10246121

Unusual Gems