A fine abrasive composed of powdered siliceous-argillaceous Limestone. Rottenstone is composed of about 85% alumina, 4-15% silica and 5-10% iron oxides. It was primarily mined in England but small amounts were also mined in Pennsylvania. Rottenstone is used as a powder or adhered to polishing cloths. It is softer and finer than pumice. Applications include polishing metal, jewelry and wood.
Synonyms and Related Terms
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 824
- R.M.Organ, Design for Scientific Conservation of Antiquities, Smithsonian Institution, Washington DC, 1968
- Conservation Support Systems, Catalog, 1997
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998