Yes, diamond is harder than granite. Diamond is the hardest mineral known. And it is several times harder than granite.
Yes.
yes
Yes. Actually... a diamond is NOT 'stronger' than steel. A diamond is 'harder' than steel, but it is not stronger.
Yes an emerald or green beryl is harder than quartz
graphene according to how much it can hold (calculator) and how dense it is.
A diamond is the hardest mineral. However diamonds vary in hardness with South African diamonds being harder than Australian ones.
Yes
It is hardness. Calcite is harder than gypsum.
No, diamond is harder than enamel.
No. Diamond is harder than emerald.
calcite
Diamond is harder than onyx.
Diamond is harder than plastic.
nothings harder than a diamond
Diamond is harder than any metal.
limestone
Diamond is harder than steel: you can scratch steel with a diamond, but steel will not scratch a diamond.
Yes, harder than any metal.
calcite