It's easy to see where the idea came from, though. Diamonds and coal are both, at their base, different forms of the element carbon (C on the periodic table).

Watch as we turn coal into a diamond with this fascinating process. 10 Films You Didn't Watch, But Should Yellowstone coyote not alone; can you spot the other mammal? US Mail to Canada Temporarily ...

The Koh-i-Noor diamond is valued at $2,500,000—a sum which could purchase 590,000 tons of coal. If this diamond was dropt into the depths ot the sea and lost forever, no one in the world would ...

Coal and diamonds are both, at their base, different forms of the element carbon, and pressure is the critical factor that turns carbon-based life forms such as plants into coal and transforms ...