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 ... when meteorites
containing graphite hit Earth, while wurtzite boron nitride is ...
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 ...
Sources: Top 5 of Anything.com research 2012. List Notes: Data is naturally
occurring minerals according to absolute hardness. Absolute hardness is
Sep 3, 2011 ... Diamond is currently thought to be the hardest natural material on Earth, having a
hardness of ten out of ten on the Mohs scale of mineral ...
The second hardest substance is a compound make from aluminum, magnesium,
and ... Diamond is the hardest naturally occurring substance found on Earth.
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 ...
Feb 17, 2015 ... A Formula 1 car, made out of limpets' teeth? Scientists discover hardest natural
material ever found in tiny shellfish - and it could revolutionise ...
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, ...
To summarize Ankit and Mads's answers: it depends on what "strength" you are
looking for. ... The lonsdaleite is 58 per cent harder than diamond. Rare mineral
lonsdaleite is sometimes formed when meteorites containing graphite hit Earth.