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2. Burnishing (pottery) - Wikipedia

   en.wikipedia.org/wiki/Burnishing_(pottery)

   Burnishing is a form of pottery treatment in which the surface of the pot is polished, using a hard smooth surface such as a wooden or bone spatula, smooth stones, plastic, or even glass bulbs, while it still is in a leathery 'green' state, i.e., before firing.

3. Tumble finishing - Wikipedia

   en.wikipedia.org/wiki/Tumble_finishing

   This is followed by washing and then a stage of finer grits (120-220 then 400-600 mesh), before the (optional) use of a pre-polishing compound (1200 grit), a washing cycle with detergent to remove any grit on the stones. The final step is a polishing stage using powdered polish, (such as cerium oxide or tin oxide), water, and often small ...

4. Conservation and restoration of ceramic objects - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   Cream forms are usually attached to paper or film. Polishing creams are commonly used to remove thin layers of insoluble surface deposits such as calcium. These creams can also remove surface dirt and marks made by tools. The best creams of ceramic do not have oil, grease, or bleach as additives and are used only on glazed ceramics. [4]: p.86–87

5. Polishing (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Polishing_(metalworking)

   Polishing is often used to enhance the appearance of an item, prevent contamination of instruments, remove oxidation, create a reflective surface, or prevent corrosion in pipes. In metallography and metallurgy, polishing is used to create a flat, defect-free surface for examination of a metal's microstructure under a microscope. Silicon-based ...

6. Rotten stone - Wikipedia

   en.wikipedia.org/wiki/Rotten_stone

   Rotten stone, sometimes spelled as rottenstone, also known as tripoli, is fine powdered porous rock used as a polishing abrasive for metal smithing, historically for the grinding of optical lenses and in woodworking. It is usually weathered limestone mixed with diatomaceous, amorphous, or crystalline silica.

7. Salt glaze pottery - Wikipedia

   en.wikipedia.org/wiki/Salt_glaze_pottery

   Salt glazes have been improved by the addition of borax, and sometimes sodium nitrate, to the salting mixture. Colouring oxides can be incorporated in the salting mixture to give decorative effects, such as a kind of aventurine glaze. [30] Salt fumes in a firing atmosphere react in the following way: 2NaCl + 2H 2 O → 2NaOH + 2HCl 2NaOH → Na ...