Kintsugi materials, Ishiko

Ishiko is a type of powdered stone that is mixed with oil to polish graded, marufun metals but not fine, keshifun type powdered metals. It is rougher and cheaper than the other polishing powder, roiromigakiko but won’t give you as fine a polish as roiromigakiko. Ishiko is the 5th. step in the polishing process.