2.5 billion-year-old traces of life locked inside primeval ruby
When you buy through links on our site , we may earn an affiliate commissioning . Here ’s how it work . Traces of ancient liveliness were locked inside a 2.5 billion - class - one-time crimson fromGreenland , according to a young study . The planet ’s oldest rubies , sparkling scarlet gemstones made up of a transparent red mineral called corundum , are found in Greenland . While search for ruby in the North Atlantic Craton of southerly Greenland , a radical of research worker disclose a hidden surprisal in one of them : graphite , a pure form ofcarbon , that may be the cadaver of ancient microbial biography ....