Finely-cut diamond abrasive is utilized in the manufacture of industrial drills, grinding wheels and discs, dental instruments and lapidary apparatus. The grinding tools are subsequently implemented ...
Those with an affinity for rocks will be both entertained and educated during Lapidary Day at the Lizzadro Museum of Lapidary Art in Oak Brook. The museum’s slate from 10 a.m. to 4 p.m. Nov. 8, ...