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Water May Be Hiding Deep in Earth's Mantle

Scientists found a weird, watery mineral from the Earth's mantle locked inside diamonds.
Diamonds—like this 709-carat diamond found in Sierra Leone—are prized for their commercial value. For geologists, however, they offer a valuable scientific window into Earth's interior. The so-called "Peace Diamond" is pictured here at Israel's Diamond Exchange, in Ramat Gan, Israel October 19, 2017.
3_12_Peace Diamond

Pockets of water may lie as deep as 500 miles into the Earth’s mantle, unique diamond impurities reveal.

Scientists discovered a mysterious form of crystallized ice known as ice VII trapped inside diamonds. This

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