No, diamond is harder than enamel.
Yes, harder than any metal.
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.
No. Diamond is harder than emerald.
DENTIN
Diamond is harder than plastic.
Diamond is harder than onyx.
nothings harder than a diamond
the enamel!
Diamond is harder than any metal.
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.
Yes, harder than any metal.
no
No it is not.