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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Paravauxite
Phosphophyllite
Purple agate
Pyrite with calcite
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz Gems
Scapolite
Scapolite
Scorodite
Sinuous Gypsum
Southwest Sunset
Spindle Bomb
Spinel
Spinel
Spinel ring
Sunstone
Tlacotepec
Topaz
Vivianite with pyrite
Wulfenite
Wulfenite
Zircon
Zircon
Zoisite
Zoisite ( var. tanzanite)
Zoisite (var. tanzanite)
Zoisite (var. tanzanite)
Zoisites
Pagination
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