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Turns out the world's 'oldest diamonds' are just polishing compound

Ana Komnenic | December 31, 2013 | 8:40 am Australia Europe Diamond 

For years they were known as the oldest geological materials ever found: 4.3 billion-year-old diamonds. But thanks to a new study, we now know these diamonds are just polishing grit. In 2007, Nature published a report in which researchers claimed...

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