Researchers have uncovered strong evidence that the ancient Chinese used diamonds to grind and polish ceremonial stone burial axes as long as 6,000 years ago -– and incredibly, did so with a level of ...

Q: I need to learn how to polish marble. There is some marble flooring in my house that has seen better days. The scratches aren’t too deep, but they look bad. I also had to cut a piece of marble and ...

[Michigan Rocks] says he avoided making rock spheres for a long time on account of the time and cost he imagined was involved. Well, all that is in the past in light of the fabulous results from his ...

Chinese craftsmen used diamonds and sapphire to polish tools thousands of years earlier than previously believed, according to new research findings. Robert Siegel talks with Peter Lu, a physics ...

Luanda — The recently unveiled new diamond and special stones polishing firm "Stone Polished Diamond (SPD)", is to increase the present 2,000 carats /month output to 3,000 carats by 2020. According to ...