Milling / Grinding Stone Practical Machinist
Aug 24, 2013#0183;#32;Similar hardness to quartz (Mohs ~7). I know this is done on purpose built machines, but for a small peice can it be made to work on a small CNC mill. Currently my thoughts are to mount the stone in the bottom of a fixture with pan built in. Fill with water, and allow a diamond burr to very slowly feed into the part. (Ye, I know mixing rocks