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acctually the hardest thing is nanocrystalline diamond but after diamond it is boron and titanium dioxide. if you are refering to what is just lower than diamond on mohs hardness scale 10 diamond 9 corundum 8 topaz 7 quartz,6 feldspar 5 apatite 4 fluorie 3 calcite 2 gypsum and1 talc
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∙ 13y ago
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Can a diamond saw cut through wood?
Yes diamonds are the hardest thing on earth.
Why Diamond is the hardest substance?
Diamond is no longer the hardest known substance. Several new compounds have beaten it. -------------------------------------- Because only another diamond can scratch another diamond. Also they use diamond made drills. My daddy told me that. But it is the hardest. My friend Joshua told me that about the only thing that scratch it. I thought the pavement was the hardest. From Marlon
Is water the heaviest thing in the world?
No. The heaviest naturally-occurring element is uranium (atomic number 92, atomic weight 238.0289). While the substance with the highest density is either element iridium or the element osmium.
What is the hardness luster and streak color of a diamond?
The color is clear, the hardness is the hardest thing in the world, and the luster is pearly.
Whats the hardest thing to think about?
About life ...
Is pure titanium the strongest metal in the world?
No, the hardest thing is diamond.
Hardest thing on Earth?
diamond is the hardest thing on earth
Is diamond the hardest thing on earth?
yes diomand is the hardest thing on earth
What is the hardest thing ever other than diamond?
Diamond is the hardest natural mineral; nothing is harder.
What is the only thing that can scratch a diamond?
The only thing or mineral that will scratch diamond is another diamond. Scientists use a penny nail and fingernail to see what number it is. On a scale measured from 1-10 diamond is 10 ranked as hardest mineral, so nothing scratches diamond except diamond.
Is graphene is hardest thing in the world?
No,diamond is the hardest known substance on Earth.
What is the hardest non-living thing on earth?
diamond
Is ice the most hardest thing in the world?
No, diamond is the hardest known natural substance in the world.
Is the diamond the sharpest thing there is?
No, Obsidian is the sharpest material on earth. Diamond however, is the hardest.
Is there any mineral as hard as diamond?
No. Diamond is the hardest substance we know of. the only thing harder is other diamonds.
Is it fact or opinion that diamonds are the hardest substance on earth?
This is a fact. It can be verified by way of experimentation, and is true regardless of what anyone believes or disbelieves.
Can a diamond saw cut through wood?
Yes diamonds are the hardest thing on earth.
