金刚钻, 金砂
Continue till the bevel is perfectly polished. This is just missing the final high luster polish with diamantine. 直到斜角镜面效果被完美的抛出来。仅仅缺少金刚砂的高光打磨。
followed by polishing with diamantine on a wood polishing tool. 下面是在一个木制抛光机上金刚砂抛光。
diamantin 金钢铝, 人造钢玉
