The Quartz Page: Flint and Chert
May 27, 2006· Regular grinding wheels don't do anything but heat up a flint rock...the Mizzy wheels are what jewelers and dentists use to grind hard things and they don't generate heat. But before buying any Mizzys,Dremel now makes a tip that I think is called a "blue diamond grinding wheel"...it's larger than a Mizzy wheel and subsequently works faster ...