"I Had located agates, Uncooked gems, petrified Wooden and a few pretty neat rocks with crimson and orange veins walking a three-mile stretch on the mountain street. I haven't got a rock tumbler so I polished them by hand. They turned out best. "..." much more Rated this text: เหมาะสำหรับขจัดส่วนหนาของสนิมบนทุกแบบของโมลด์และเหล็กตาย https://beediadiamond.com/catalog/polishing-stones