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Jeweler’s Rouge (Fe₂O₃)

A very fine powder of ferric oxide, Iron(III) oxide, is known as jeweler’s rouge, red rouge, or simply rouge. It is used to put the final polish on metallic jewelry and lenses and has been used historically as a cosmetic.
Rouge cuts more slowly than some modern polishes, such as cerium(IV) oxide, but it is still used in optics fabrication and by jewelers for its superior finish. It can be applied on buffing wheels by gently pressing the compound to the spinning wheel. The heat and friction of the spinning wheel will transfer a small amount of the compound onto the wheel for polishing. This extremely fine compound will not scratch or cut away the finest or softest of metals and is used to polish gold, silver, brass, copper, and nickel to a mirror finish. When polishing gold, the rouge slightly stains the gold, which contributes to the appearance of the finished piece.
Rouge is sold as a powder, paste, laced on polishing cloths, or solid bar (with a wax or grease binder). The rouge cloth has a side impregnated with red jewelers’ rouge for polishing and cleaning surface oxidation. The other side is a cloth for final polishing.
Typical Applications

Jeweler’s rouge is used in the jewelry trade for buffing soft, precious metals to a brilliant, high lustrous finish.

Packaging Options

Jars, pails, drums, multi-ply paper bags, bulk bags


Jeweler’s Rouge TSCA (SARA Title III) Status: Listed For further information, please call the EPA Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902. Hematite, iron(III) oxide CAS Number 1317-60-8 ferric oxide, iron(II, III) oxide CAS Number 1309-37-1

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