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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Augen gneiss block
Basaltic cinder
Calcite
Carlton iron meteorite
Danburite
DeYoung Pink Diamond
Enstatite
Fluorite
Fluorites
Fort Stockton
Grossular Garnets
Hemimorphite
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Moonstone
Moonstone
Muscovite schist
Plainview
Plantersville
Pyritic slate
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Scapolite
Scapolite
Spinel
Spinel
Spinel ring
Sunstone
Topaz Gems
Topaz Pendant
Pagination
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