Yes, diamond is the hardest mineral on earth.
Diamond is the hardest mineral known.
Diamond is the hardest known mineral.
The name of the hardest solid is a diamond; it is the hardest object known to humankind.
Diamond is much harder than gold.
Diamond, Its atom structure formed by many carbon atoms in such a way makes it very strong indeed
Diamond is the hardest.
the softest rock is talc and the hardest is a diamond
The hardest substance that is naturally occurring is a diamond. However, there are harder substances that have been made by scientists in labs.
Diamond has an extremely strong covalent bonding between carbon atoms; today diamond is not considered the hardest material, Today the hardest material is Aggregated diamond nanorods.
Diamond.
Diamond is the hardest precious stone
The hardest naturally occurring substance is called diamond. It is a form of carbon.