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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hematite with quartz
Hemimorphite
Hemimorphite
Hoba
Hoba
Hologem Fire Opal Pendant
Jeremejevite
Kimberley Diamond
Ludlockite with smithsonite
MacAlpine Hills 88105
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Marquise Diamond Ring
Miller Range 03346
Mimetite
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Oppenheimer Diamond
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
PAT 91501,5
PAT 91501,50
Pearson Diamond
Peridot gemstones
Perovskite
Phosgenite
Platinum nugget
Portuguese Diamond
Purple agate
Pyrite with calcite
Pyrrhotite
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
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