Emeralds, rubies and the likes are referred to as colored gemstones by experts. They sparkle and shine with varying intensity, depending on the cut. A new machine can achieve the best possible cut and ...

There are over 2,000 identified natural minerals. Of them, less than 100 are considered gemstones, and, of those, only 16 have any perceived importance or value. We’re going through some of our ...

Stefano Cortecci, a gemologist and a geologist, uses his unusual combination of skills at Pomellato. When Stefano Cortecci ...