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Diamonds No Longer Hardest Stone

posted February 18, 2009 - 6:33am
Diamonds No Longer Hardest Stone

According to scientists diamonds no longer hardest stone. Lonsdaleite and wurtzite boron nitrade - have been found to be harder by 58% and 18% respectively.


Website: http://www.israelidiamond.co.il/english/News.aspx?...
Author: ishu
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