with collectors particularly keen on getting their hands on exceptional gems over 10 carats. Gem dealer Constantin Wild has seen high demand for traditional cuts like ovals, cushions and octagons, as ...
Raw moldavite has a rippled, flattened shape, so jewelry makers often carve a piece to highlight unusual features or inclusions, or shape stones into emerald or round cuts. While topaz normally ranges ...
Figure 1. Pleochroism in a 15 ct tanzanite, as seen with the unaided eye through the crown and the pavilion sides and ends. Photo by Wimon Manorotkul. In describing colored gemstones, the major ...
Vox Media is laying off an undisclosed number of employees on Thursday. The job cuts are the second round of layoffs to hit the company in the last month. “Today, Vox.com announced layoffs on ...