Do you know how diamonds are made?" She gazed steadily at him, the light turning her green eyes transparent. He didn't wait for her to answer. "They're made of a single element - carbon. But, over millions of years, the carbon had to undergo incredible pressure-something like a minimum of four hundred pounds per square inch-and cook to at least seven hundred degrees. The amazing thing is that if there's not enough pressure or heat, instead of a diamond, plain old graphite is made. Imagine that-instead of the world's most indestructible and beautiful thing, you get just graphite. Something to make pencils with. Sure, pencils are nice and useful. But they aren't diamonds.
