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Rotten stone, sometimes spelled as rottenstone, also known as tripoli, is fine powdered porous rock used as a polishing abrasive for metalsmithing and in woodworking. It is usually weathered limestone mixed with diatomaceous, amorphous, or crystalline silica.
Regarding this, what is Tripoli compound?
Brown Tripoli This tripoli compound is designed for its general purpose use for both buffing and polishing work. The compound can easily cut and remove scratches while leaving a smooth finish. It is the best compound to use on softer metals like brass, copper, aluminum and various pot metals.
what is Rottenstone made of?
Rottenstone (sometimes spelled as two words and also known as "tripoli") is weathered limestone that is mixed with diatomaceous, amorphous or crystalline silica. It is often used for polishing metals and distressing water gilded surfaces to reveal bole and lay-lines. The grey color makes it a desirable antiquing dust.
Deposits of tripoli now mined in the United States occur in chert-bearing Paleozoic limestone in the central part of the country with producing districts in southern Illinois, central Arkansas, and eastern Oklahoma.