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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Gold leaf
Gold nugget
Gold on quartz
Goose Lake
Hemimorphite
Johnstown
Lawsonite
Limestone
Manganoan calcite
Merwinite
Metaconglomerate
Microcline (var. amazonite)
Migmatite
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Pyrophyllite
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rhodochrosite
Rhyolite
Rhyolite pumice
Spodumene (var. kunzite)
Spurrite
Unusual Gems
Unusual Gems
Unusual Gems
Zagami
Zircon (var. cyrtolite)
Pagination
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