New research indicates that a rare form of diamond may originate in the burbling cores of distant worlds, arriving on Earth thanks to violent cosmic collisions. According to a team of scientists in ...

Mysterious hexagonal diamonds that don’t occur naturally on Earth have been discovered in four meteorites in north-west Africa. “It’s really exciting because there were some people in the field who ...

Designers have been playing with six-side patterns or gemstones cut into hexagonal shapes. By Ming Liu The jewelers’ love affair with Art Deco shapes shows no signs of slowing. And the latest form to ...