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Smithsonian National Museum of Natural History

GeoGallery

African Gems (NMNH G10160, G10162, G10182)::11031104

African Gems

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

Alexandrites

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

Andradite (var. demantoid)

Demantoid (NMNH G11479)::12960612

Andradite (var. demantoid)

Demantoid (NMNH G11480)::12960611

Andradite (var. demantoid)

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

Andradite (var. demantoid)

Basalt bomb (NMNH 116697)::10954333

Basalt bomb

Calcite (NMNH 166935)::10246489

Calcite with duftite

Chromian diopside (NMNH G8822)::13224696

Chrome Diopside

Demantoid bracelet (NMNH G10587)::12960578

Demantoid Bracelet

Descloizite (NMNH C7001)::10246437

Descloizite in dolomite

Farmington (USNM 612)::1000947

Farmington

Fluorite gemstones::10246109

Fluorites

Galena with Calcite (NMNH R19497)::10246425

Galena with chalcopyrite, sphalerite, and others

Galena with Marcasite (NMNH 134994)::10246420

Galena with pyrite and marcasite

Hoba (USNM 6506)::1001023

Hoba

Hoba (2618)::10246248

Hoba

Jeremejevite (NMNH G11435)::12960607

Jeremejevite

NMNH 143996::1000828

Ludlockite with smithsonite

NMNH C5549::1000971

Malachite with azurite

Malachite with cuprite, quartz, and azurite (NMNH B14193)::1000970

Malachite with cuprite, quartz, and azurite

Norton County (USNM 2163)::1001073

Norton County

NMNH R5022::1000992

Perovskite

Phosgenite (NMNH G11637)::13069361

Phosgenite

Platinum (NMNH 73736)::10246679

Platinum nugget

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

NMNH 137559::1000901

Smithsonite

Sperrylite (NMNH 170395)::10246442

Sperrylite

NMNH 170827::1000973

Spessartine

Tennantite (NMNH R8534)::11194484

Tennantite

Tiffany Amethyst Necklace (NMNH G10538)::15324887

Tiffany Amethyst Necklace

Group of topaz gems::15324913

Topaz Gems

Group of Gems (NMNH G3548, G8817, G4941, G8456)::10246120

Unusual Gems