Gems Collection
All these you can see at National Museum of Natural History, Smithsonian Institute in Washington, D.C.
Rosser Reeves Star Ruby
           (Al2O3)
Star of Asia
   (Al2O3)
Star of Bombay
     (Al2O3)
Hope Diamond
    (Carbon)
Red Diamond
   (Carbon)
Blue Heart Diamond
       (Carbon)
Hooker Emerald
(Be3Al2Si6O18)
Aquamarines and Green Beryls
         (Be3Al2Si6O18)
       Topaz
[Al2SiO4(F9OH)2]
    Opal
(SiO2.nH2O)
Pacific Mineral Museum in Vancouver is a "Must-See" for its ammonite collection.
Ammonite
Ammonite
Your BirthStone is ...
If you are interested in the chemistry behind these wonderful gems, visit the Minerals and Gemstones homepage. Also, have a look at The Rainbow of Gems.
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