mineral grinding machinery

  • Hi-Tech Diamond 6" All-U-Need | Lapidary Rock Mineral ...

    Oct 01, 2018 · The American-made Hi-Tech Diamond 6" All-U-Need is a flat lap machine that is one of the best available on the market. Easily grind, shape and polish rocks to make cabochons for necklaces, earrings, rings and other jewelry pieces, or, polish synthetic material and metals on the All-U-Need.