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THE  CORUNDUMINIUM

     
 
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MAN'S INTERVENTION

 
     
       This part of our website will be devoted to topics ranging from from artisanal (faceted stones and cabochons) to technical (enhancements and synthetics).   
       Some rough stones are harvested at minesites and others may be grown in laboratories.  Most need some form of enhancement before being inserted into jewelry.  The opposite extreme of course is grinding them up to make abrasive grit.   
     
 

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