Stone Buildings In Nordlingen contain millions of tiny diamonds in its granite.

Stone Buildings In Nordlingen contain millions of tiny diamonds in its granite.
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Stone buildings in Nördlingen contain millions of tiny diamonds, all less than 0.2 mm (0.0079 in) across. The impact that caused the Nördlinger Ries crater created an estimated 72,000 tonnes (79,000 short tons) of them when it impacted a local graphite deposit. Stone from this area was quarried and used to build the local buildings.[9] @Curionic

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