Yes, harder than any metal.
No, diamond is harder than enamel.
diamond
nanodiamonds
Diamond is much harder than copper. On the Mohs hardness scale (higher numbers are harder), diamond is a 10 and copper is somewhere between 3 and 4.
Iron Ranks about a 4-5 on the Moh's hardness scale. A diamond is a perfect 10 diamond. A diamond much harder then iron.
Diamond is harder than any metal.
No. Diamond is harder than emerald.
No, diamond is harder than enamel.
Diamond is harder than plastic.
Diamond is harder than onyx.
diamonds are the hardest material known to mankind and therefore are harder than metal by more than 3 times. well it also depends on the metal as there may be an unknown metal that is stronger but until then the hard crown reigns to the diamond
nothings harder than a diamond
Diamonds are the hardest mineral known. Metal refers to metallic materials, and there are many of them. In order to give a 'yes' or 'no' answer to your question, you must specify which metal. Always, however, diamonds are harder than any metal; the number of times harder, then depends on which metal is being compared to diamond in hardness.
Yes, diamond is harder than granite. Diamond is the hardest mineral known. And it is several times harder than granite.
Diamond is harder than steel: you can scratch steel with a diamond, but steel will not scratch a diamond.
no
No it is not.