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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Jeremejevite
Jeremejevite
Johnstown
Kyanite after andalusite
Kyanite schist
Kyanite schist
Kyanite with biotite
Labradorite Sunstone
Lafayette
Lafayette
Lawsonite
Liddicoatite
Liddicoatite slices
Limestone
Limestone with chert
Lion of Merelani Tsavorite
Lost City meteorite
Ludlockite with smithsonite
Magnetite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Manganoan calcite
Marble with wollastonite
Marcasite
Merwinite
Metaconglomerate
Microcline (var. amazonite)
Migmatite
Milarite with chlorite
Millerite
Millerite
Millerite with hematite and quartz
Missouri River Sapphires
Montana Sapphires
Moonstone
Moonstone
Pagination
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