How to Polish Stones: 13 Steps (with Pictures) wikiHow
Nov 11, 2019· To polish a stone, start by dipping it in water before rubbing it all over with 60grit sandpaper. For the best polish, regularly wet the stone as you use the sandpaper to wear down any sharp edges. Once the stone is rounded, use 160grit sandpaper to rub out the scratches from the rougher sandpaper.