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Contact: Bryan Alary
University of Alberta

Graham Pearson, University of Alberta

Caption: Graham Pearson holds a diamond that contains the water-rich mineral "ringwoodite," a new discovery that yields new clues about the presence of large amounts of water deep beneath the Earth.

Credit: Richard Siemens/University of Alberta

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Related news release: Water-rich gem points to vast 'oceans' beneath the Earth: UAlberta study

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