Before revision: Coloring To increase the contrast between the laminate layers many mokume-gane items are colored by the application of a patina (a controlled corrosion layer) to accentuate or even totally change the colors of the metal's surface.
After revision: Coloring To increase the contrast between the laminate layers , many items are colored by the application of a patina (a controlled corrosion layer) to accentuate or even totally change the colors of the metal's surface.