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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
Grossular Garnets
Grossular Garnets
Gypsum with sulphur
Kyanite schist
Lawsonite
Limestone
Logan Sapphire
Magnetite
Maharani Cat's Eye
Merwinite
Metaconglomerate
Milarite with chlorite
Moonstone
Moonstone Carving
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Orthoclase (var. adularia)
Phosgenite
Pyrope
Pyrope (var. rhodolite)
Pyrophyllite
Quartz (var. smoky quartz)
Quartz Gems
Rhyolite
Rhyolite pumice
Rosser Reeves Star Ruby
Siderite
Spinel
Spinels
Spodumene (var. kunzite)
Spurrite
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