Wikipedia states that diamond has a hardness of "between 167 and 231 gigapascals" while the article says it has a hardness of 442 GPa. Which is correct?
Also, currently The Wiki states that "ultrahard fullerite" (with 310 GPa, still lower than the value stated for diamond in the article!) is the hardest material known, and is harder than diamond. So this is at least the second harder-than-diamond material discovered?
Slashdot Mirror
Wikipedia states that diamond has a hardness of "between 167 and 231 gigapascals" while the article says it has a hardness of 442 GPa. Which is correct? Also, currently The Wiki states that "ultrahard fullerite" (with 310 GPa, still lower than the value stated for diamond in the article!) is the hardest material known, and is harder than diamond. So this is at least the second harder-than-diamond material discovered?