Entry trends included some returning favorites like tourmaline, and a huge leap in entries in the “carving” category.

Caroline Im is on a mission as unique as the precious stones displayed in the Lyda Hill Gems and Minerals Hall at the Perot Museum of Nature and Science. When Im leads tours through the glittering ...

Jean-Noel Soni, who specializes in colored stones, said he tries to give each one a shape that “maintains the crystal’s integrity.” By Tanya Dukes When Lauren Schmeer, a strategy consultant in New ...