0 Question: What is the hardest material in the world Keywords: hard, material Asked by anon-258316 on 10 Jul 2020.
Sreejita Ghosh answered on 10 Jul 2020:
At first I had thought that it would be diamonds. But then I found that wurtzite boron nitride and lonsdaleite (hexagonal diamond) both have greater indentation strengths than diamond
https://phys.org/news/2009-02-scientists-material-harder-diamond.html
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