金剛鉆, 金砂

Continue till the bevel is perfectly polished. This is just missing the final high luster polish with diamantine. 直到斜角鏡面效果被完美的拋出來。僅僅缺少金剛砂的高光打磨。

followed by polishing with diamantine on a wood polishing tool. 下面是在一個(gè)木制拋光機(jī)上金剛砂拋光。

diamantin 金鋼鋁, 人造鋼玉