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       Periodic 
       Table of the Elements From Los Alamos, this is clickable and searchable.
       Carbon 
       is found free in nature in three allotropic forms: amorphous, graphite, 
       and diamond. 
       A fourth form, known as "white" carbon, is now thought to exist... Silicon Remembers 
       Carbon An Installation by David Rokeby WebElements From the UK, this is the periodic table on the World-Wide Web brought 
       to you by the University of 
       Sheffield. You can select from General, Chemical, Physical, Nuclear, 
       Electronic, Biological, Geological, or Crystallographic data. Fantastic!
       Chemical 
       formulae for minerals and gems From Jill Banfield's courseCarbon Activation 
       of Water from the Water Quality Association The Mysterious Allotropes of Carbon
       There is rather a mystery surrounding the Question: How many 
       crystallograhic forms, or allotropes, of Carbon exist? We have collected 
       here information representing a sampling of opinions. We invite your 
       vote on the topic. The Lore of Diamonds The historic and geologic legacy of those diamonds.  
       Properties of Diamonds Some curious properties of diamonds.  |