From: muratlanne@gmail.com   
      
   "Jim Wilkins"  wrote in message news:vcjmjv$13el0$1@dont-email.me...   
      
   "Richard Smith"  wrote in message news:m134lug3zn.fsf@void.com...   
      
   Grinding flat surface on granite samples to make visually well   
   presented samples of geological features - eg. the "contact" between   
   different types of rock...   
      
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   I bought some masonry cutoff disks to carve firebrick and if the rain stops   
   I could try one on the granite.   
      
   ----------------------------------------   
   I did, it worked well. It's a black 7" SiC wheel, not diamond.   
      
   https://www.grainger.com/product/6A098?   
      
   jsw   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)