Day 147 of 365
May 27
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Geography The Geology of Diamonds
Diamonds form 100-300 miles beneath Earth's surface under extreme pressure and temperature. They're brought to the surface through violent volcanic eruptions called kimberlite pipes. Most natural diamonds are 1-3 billion years old, making them among the oldest things you can hold.
💡 Did you know?
There's a planet called 55 Cancri e that may be largely composed of diamond!
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