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Anne Marie Helmenstine, Ph.D.

Anne Marie's Chemistry Blog

By Anne Marie Helmenstine, Ph.D., About.com Guide to Chemistry

What's Harder Than Diamond? Graphite!

Saturday October 18, 2003
Of course, we're not talking pencil lead. The super-hard graphite was formed by focusing an intense x-ray beam onto a small area of graphite, applying pressures on the order 170,000 times the pressure at sea level. The graphite formed from this process was hard enough to crack the diamond anvil upon which it was formed. For more information, read the article at ScienceDaily News.

Comments

November 16, 2008 at 6:50 pm
(1) denise says:

this is a very good project

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