A technical dictionary of printmaking, André Béguin. EN

pumice stone

  1. Pumice stone is a very light volcanic stone known for its abrasive qualities which is used for rubbing (pumicing) surfaces. It might be used either in stone or powder form.
    [abrasives, lithography, pumicing].
  2. Sealing-wax, pumice stone brick. These little pumice stone bricks are used to finish off the pumicing of a lithographic stone. Pumice stone bricks are made using pumice stone dust, wax, and some alun.
    [lithography, pumicing, graining].