Jewelers Red Rouge. For Gold, Silver, Platinum, Brass, etc. Also known as Red Rouge, Jeweler's Rouge was originally developed for the Jewelry trade for buffing soft, fine and precious metals to produce a brilliant, high lustrous finish. This extremely fine compound will not scratch or cut away the finest or softest of metals. Use on gold, silver, platinum, and brass. Features: Applied on buffing wheels. Use on gold, silver, platinum, and brass to produce a mirror finish4-oz Bar measures approx 1in. x 1in. x 5in.