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Iconic American movie
Marilyn Monroe once
sang, "Diamonds are a girl's best friend". Scientists from the University of Liege in Belgium believe they have unearthed a
amount of these precious stones. There could be an 18-km wide layer of the gems beneath the
of the planet Mercury. Our nearest planetary neighbour could quite literally be a
jewel. Researchers tested how Mercury formed, approximately 4.5 billion years ago. The planet evolved from a gyrating cloud of cosmic
and gas. Over millions of years, the dust was compressed into
, which is chemically
to diamond. Both are solid forms of the element carbon. It is
Mercury's diamonds could ever be mined as they are about 500 km below the
.
