Nakagawa Shuen Rock Paint is divided into natural rock paint, Shin Rock paint, and Kyoto Rock Paints
There are natural rock paints made from natural gemstones, new rock paints that are made from metal oxides mixed and fired into the body, and newly developed Kyoto Rock paints
Both are shredded and powdered into 1124 stages depending on the size of the particles, separated by standard numbers
Generally, the finer the size of the particles, the whiter the color