
Gemstone Grinding Machine
Sanding. Sanding is done to prepare the ground gemstone for polishing. Sand papers of grits of 220 and 600 are used in this process. Sanding may be done in 3 minutes. Polishing. Gemstone Faceting Machinesource Quality Gemstone. Goldsmith Tools Gemstone Grinding Machine Jewelry Faceting Machine MOQ 1 Set Mixing And Grinding Machine For .