How long does it take for a diamond to form? FOTDsteemCreated with Sketch.

in blog •  7 years ago 

Most natural diamonds are formed at high temperature and pressure at depths of 140 to 190 kilometers (87 to 118 mi) in the Earth's mantle. Carbon-containing minerals provide the carbon source, and the growth occurs over periods from 1 billion to 3.3 billion years (25% to 75% of the age of the Earth).

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7 years ago by

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