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What man made substance has the lowest common coefficient to friction?
Diamond-like Carbon has a coefficient of friction of as low as 0.05 on polished steel.
Is diamond a man-made or naturally occurring substance?
No. It's man-made.
Why is diamond a pure substance?
Because Diamond is an allotrope of carbon - diamonds are purely made out of carbon.
What is the hardest natural substance on earth made of carbon?
diamond
What substance is made by a meteorite hitting earth that is harder than a diamond?
Nothing.
Is a diamond a pure substance?
yes, a diamond is a crystalline form of pure carbon, there for making it a pure substance.
Why does the back surface of your diamond have a silvery substance?
If you have a silvery substance on the back surface of your diamond, it is not a diamond.
Is boron nitride the hardest substance?
No, Diamond which is entirely made up of carbon is the hardest
What is the difference of pearl gemstone to a diamond gemstone?
Pearl is made by a living organism (an oyster) and is soft. Diamond is made deep in the earth and is the hardest substance known to man.
What substance is equal in hardness to a diamond?
No natural substance is equal in hardness to a diamond.
What is the hardest substance on the earth that is non metal?
Diamond is the hardest substance on Earth that is non-metal. It is made of carbon atoms arranged in a strong crystal lattice structure, giving it its extraordinary hardness.
What do the structural differences of diamond and graphite suggest?
diamond is the hardest substance known to science at this time, and graphite is a rather weak substance, and they are both made of the same elements. Their only differences are the arrangement of the molecules
