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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Arkose
Augen gneiss block
Banded iron formation
Basaltic cinder
Beryl (var. aquamarine)
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Dravite
Fluorite
Freedom Diamond
George Pendant
Grossular Garnets
Grossular Garnets
Hemimorphite
Johnstown
Logan Sapphire
Maharani Cat's Eye
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Moonstone
Moonstone Carving
Olivine-gabbro
Pyrope
Pyrope (var. rhodolite)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rosser Reeves Star Ruby
Spinel
Spinels
Pagination
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