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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Arkose
Augen gneiss block
Basalt drill core
Basalt drill core
Basalt drill core
Basaltic cinder
Calcite on galena
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Dravite
Freedom Diamond
George Pendant
Grossular Garnets
Grossular Garnets
Halite
Halite
Hemimorphite
Johnstown
Logan Sapphire
Maharani Cat's Eye
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Moonstone
Moonstone Carving
Olivine-basalt drill core
Peridotite xenoliths in basalt
Pyrope
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Pagination
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