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There are over a quadrillion tons of diamonds lurking 100 miles below the Earth's surface, according to scientists
That diamond on your wedding ring isn't as rare as you might think. Using sound waves, scientists uncovered a cache of diamonds distributed deep below the Earth's surface, and it amounts to over a quadrillion tons of the precious mineral. (Yes, you read that right.) That's according to a new study published by a team of researchers from MIT, Harvard, and the University of California at Berkeley, among other top-tier institutions. "This shows that diamond is not perhaps this exotic mineral, but on the [geological] scale of things, it's relatively common," said Ulrich Faul, a research scientist in MIT's Department ... (full story)