Adamantium is a fiction, not a true mineral.
Adamantium
Diamond. a very hard material that is the hardest substance ever, or at least discover to be the hardest substance on EARTH THAT IS
Adamantium is a made up substance. It doesn't really exist.
A diamond
Yes, it is.
The hardest substance that is naturally occurring is a diamond. However, there are harder substances that have been made by scientists in labs.
diamond
That statement is a fact. Diamonds are indeed the hardest naturally occurring substance on Earth, as they score a 10 on the Mohs scale of mineral hardness.
talc is the softest substance while daimond is th4e hardest substance on earth
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.
This is a fact. It can be verified by way of experimentation, and is true regardless of what anyone believes or disbelieves.
The second hardest substance after diamond on earth is cubic boron nitride. It is often used as an abrasive and cutting tool material due to its exceptional hardness and thermal conductivity.