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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Beryl (var. emerald)
Calcite
Calcite
Danburite
DeYoung Pink Diamond
Enstatite
Ethiopian Opals
Fluorite
Fluorites
Georgina Emerald
Grossular Garnets
Hemimorphite
Johnstown
Manganoan calcite
Marble with wollastonite
Microcline
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Moonstone
Moonstone
Opal
Opal
Opal
Opal
Opal
Peekskill
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Scapolite
Pagination
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