At the University of Waterloo, researchers have discovered extremely ancient carbon residue in the world's oldest ruby, some 2.5 billion-year-old. The study concluded that some of the world's oldest rubies are linked to ancient life.
Chris Yakymchuk (Prof. of Earth and Environmental Sciences), at University of Waterloo, is leading a research team to conduct a study to understand the conditions necessary for ruby formation.
Yakymchuk's team found a ruby sample from Greenland that cont...
