‘Polissoir’, discovered in Valley of Stones nature reserve, was used about 5,000 years ago to hone tools such as axes At first glance it looked like nothing more than a rugged boulder jumbled among ...

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 ...

[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 ...

The Stone Diaries Pte Ltd has been honoured with the Distinguished Brand of the Year award, recognising the company's outstanding commitment to craftsmanship, innovation and customer excellence in ...

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 ...