The
National Museum of Natural History is located on the National Mall in Washington, D.C. It is the most visited natural history museum in the world, and most visited museum in North America.
 | Opened in 1910, the museum on the National Mall was one of the first Smithsonian buildings constructed exclusively to hold the national collections and research facilities.
The museum's collections total over 126 million specimens of plants, animals, fossils, minerals, rocks, meteorites, and human cultural artifacts. |  |

11.24 carat demantoid garnet from Russia
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16.79-carat orangey-pink spinel from Tajikistan
|  Intense yellow fluorite from Tanzania
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Turkish diaspore
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17.08-carat Whitney Alexandrite |  Spessartine garnet |
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http://pennystockjournal.blogspot.ca/2014/02/smithsonian-scientists-solve-cerro.html
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http://pennystockjournal.blogspot.ca/2013/11/cool-smithsonian-stuff.html
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http://pennystockjournal.blogspot.ca/2013/12/smithsonian-gemstones-ii.html