Diamonds found to be made mostly of the seafloor, pressure-cooked to perfection

When Old Rose dropped the diamond necklace into the ocean at the end of Titanic, it turns out she was probably just returning it to where it originally came from. Researchers in Australia and Germany have found that many diamonds begin life as sediment on the bottom of the ocean, before being swallowed up by the Earth's mantle and forged into our favorite shiny stones.

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Category: Materials

Tags:

• Diamonds
• Earth
• Geology
• Macquarie University
• Ocean

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