Interest in the luxury house tradition of drawing gems has led to classes in the technique, including one at a museum in Belgium. By Kathleen Beckett ANTWERP, Belgium — This port city has been a world ...
As shown in the above figure, energy beam-based direct and assisted polishing technologies utilize lasers, ion beams, or plasma to ablate, impact, or modify the diamond surface, thereby reducing ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback