Mexico's Temple of Quetzalcoatl, or the Feathered Serpent ... process to extract it from a rock called cinnabar - a light red stone made up of solid mercury sulfide. Specifically, they would ...

B efore he was identified as an indigenous god, Quetzalcoatl was simply a peculiar snake-bird carving on a broken stone tablet found in Mexico—a carving, it turns out, from the Mesoamerican ...