"I had observed agates, Uncooked gems, petrified Wooden and several pretty great rocks with pink and orange veins walking a three-mile extend with a mountain street. I don't have a rock tumbler so I polished them by hand. They turned out great. "..." additional Rated this post: งานหินขัดหรือ เทอร์ราซโซ เป็นการสร้างพื้นผิวอาคาร https://beediadiamond.com/catalog/polishing-stones