Reply To: Quartz polish? › Forums › Polishing › Quartz polish? › Reply To: Quartz polish? March 21, 2016 at 12:50 am #2441 micraParticipant @micra I’ve never had much luck with diamond on quartz at the polish stage. Good old cerium oxide on something like what Tom recommended, a light touch so as not to round edges too much, and a good sweep, and I think you’ll have a winner.