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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Jeremejevite
Liddicoatite
Liddicoatite slices
Lion of Merelani Tsavorite
Mimetite
Moonstone
Moonstone
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orbicular agate
Orthoclase
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Purple agate
Pyrite with calcite
Pyrope (var. rhodolite)
Quartz
Quartz (var. agate)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz (var. amethyst)
Quartz with Fluorite
Scapolite
Scapolite
Scorodite
Sinuous Gypsum
Spessartine
Spindle Bomb
Spinel
Spinel
Spinel ring
Sunstone
Titanite
Titanite
Pagination
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