Definizione

• Rottenstone.  Decomposed limestone in a soft powdery form used as a polishing compound. From light gray to olive color it has light cutting power used for both metal and wood. Rottenstone is particularly useful for removing lead disease. See buffing and polishing.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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