They were not merely gems; they were the light of the Two Trees of Valinor, captured in crystal. The Silmarils.
Multiple software tools use this name for data and gaming efficiency: FFXI Project Silmaril - Healing silmaril
The Silmarils: Masterpieces or Curses?
Despite the bloody wars of the First Age, the three Silmarils eventually found distinct and eternal resting places: They were not merely gems; they were the
: They represent the danger of sub-creation—when a creator becomes so attached to their work that it leads to greed and violence. They were not merely gems