A superhard material is a material with a hardness value exceeding 40
gigapascals (GPa) ... Diamond is the hardest known material to date, with a
Vickers hardness in the range of 70–150 GPa. ....
Feb 16, 2009 ... The gemstone lost its title of the “world's hardest material” to ... “Lonsdaleite is
sometimes formed when meteorites containing graphite hit Earth”.
Jan 19, 2016 ... Ask most people what the hardest material on Earth is and they will probably
answer "diamond". Its name comes from the Greek word ἀδάμας ...
Feb 18, 2015 ... There's a new strongest material on the planet, and it's found in the lowly mouth
of a tiny snail-like sea creature called a limpet. The limpet's ...
As for 2014, the hardest material on earth is a diamond, a form of pure carbon. It
ranks 10 on the Mohs hardness scale and has a rating of between 70 and 150 ...
The second hardest substance is a compound make from aluminum, magnesium,
and ... Diamond is the hardest naturally occurring substance found on Earth.
Jan 28, 2016 ... The Hardest Substance on Earth Just Got Harder. Written by: James Wilkey. As
you gaze into the luster of a diamond, it's easy to forget that, ...
Dec 3, 2015 ... Until recently, diamond was the hardest known naturally occurring material. But a
new physical process applied to carbon has uncovered a ...
12. The hardest substance available on earth is ... 13. The variety of coal in which
the deposit contains recognisable traces of the original plant material is ...
Feb 18, 2015 ... Scientists have discovered nature's newest strongest material ... limpets are the
strongest biological material on Earth, overtaking the previous ...