
Gemstone Cutting, Grinding and Polishing
May 21, 2014· Home » Articles » Gemstone Cutting, Grinding and Polishing. Gemstone Cutting, Grinding and Polishing ... Carefully examine the raw stone to avoid cracks, fractures and cleavages to get the best part of the stone. ... Do initial grinding by following the contour of the desired shape by using the grinding machine. The marked piece, held firmly ...