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Smithsonian National Museum of Natural History

GeoGallery

Agate (NMNH 136385)::10246565

Agate

Ahumada (USNM 436)::1001041

Ahumada

Azurite (NMNH 177311)::13851713

Azurite

Barite (NMNH R17491)::10246638

Baryte with berthierite

Basalt (NMNH 108176)::10954461

Basalt

Calcite

Calcite (NMNH 122900)::10246462

Calcite

Calcite (NMNH G11682)::13069320

Calcite

Carbo (838)::10246241

Carbo

Cronstedtite (NMNH R7771)::10246331

Cronstedtite

Mineral Sciences Specimen Photo (NMNH G11475 and G11476)::11072594

Diaspore

Diaspore (NMNH G10560-00)::10480236

Diaspore

Fire Opal (NMNH G10585)::11029691

Fire Opal

Fire Opal (NMNH G5393)::10245999

Fire Opal

Gypsum (NMNH 125887)::10246476

Gypsum

Gypsum (NMNH 117513)::10246477

Gypsum

Gypsum (NMNH 148357)::10246470

Gypsum

Hemimorphite (NMNH G11450-00)::10958574

Hemimorphite

Hemimorphite (NMNH 128137)::10246635

Hemimorphite

Fire Opal (NMNH G10466)::10447546

Hologem Fire Opal Pendant

Mezo-Madaras (4838)::10246184

Mezö-Madaras

Mimetite (NMNH 125903)::10246625

Mimetite

Nuevo Mercurio (USNM 6130)::1000958

Nuevo Mercurio

Opal (var. hyalite) (NMNH G11521)::11087227

Opal (var. hyalite)

Opal (NMNH R16195)::10246550

Opal in matrix

Fire opals::10956944

Opals

Adularia (NMNH 86022)::10961852

Orthoclase (var. adularia) with dolomite

Paradamite with pharmacosiderite (NMNH 112518-00)::10953956

Paradamite with pharmacosiderite

Agate (NMNH 125932)::10246598

Purple agate

Pyrite with Calcite (NMNH 135625)::10246431

Pyrite with calcite

Agate (NMNH 136330)::10246585

Quartz (var. agate)

Amethyst (NMNH 125254-00)::10246562

Quartz (var. amethyst)

Amethyst (NMNH 120609)::10246559

Quartz (var. amethyst)

Scorodite (NMNH 120249)::10246636

Scorodite

Gypsum (NMNH R13219)::10246480

Sinuous Gypsum

Spindle Bomb (NMNH 108293)::10954844

Spindle Bomb