An Alternative choice is to employ a rock tumbler with a polishing stage. This will help to offer your stones that added shine and make them actually jump out. เคล็ดลับยืดอายุการใช้งานกระเบื้องแกรนิตโต้ This isn’t a permanent way to polish them, however, because the shine will only final for just a several weeks. Successfully Submitted (Awaiting Approval)