Pigpen
Diamond
Diamonds.
The hardest element is chromium, which is in group 6.
The hardest element is chromium, which is in group 6.
I am the hardest riddle alive! wich comes first the Lego or my ego?
Diamond 10
Diamonds
1+1=2
Diamonds are the HARDEST natural material. Mankind has created harder artificial materials.
Diamond is the hardest known natural material on Earth, scoring a 10 out of 10 on the Mohs scale of mineral hardness.
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Diamond is the hardest mineral mined in the north of Western Australia. It has a hardness of 10 on the Mohs scale, making it the hardest natural material known to man.