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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Goose Lake
Gypsum with sulphur
Kyanite after andalusite
Kyanite schist
Lawsonite
Limestone
Magnetite
Merwinite
Metaconglomerate
Milarite with chlorite
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Orthoclase (var. adularia)
Phosgenite
Pyrophyllite
Quartz (var. smoky quartz)
Quartz Gems
Rhyolite
Rhyolite pumice
Siderite
Spodumene (var. kunzite)
Spurrite
Stalagmite
Staunton
Sulfur
Unusual Gems
Unusual Gems
Unusual Gems
Unusual Gems
Vigarano
Zagami
Pagination
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