Yes, it is the hardest natural rock on earth.
Diorite is an extremely hard rock, making it difficult to carve and work with but not anywhere near as hard as a diamond
Only Diamond is as hard as diamond, and if their could be any gem stone as hard as diamond then it would definitely be Diamond.
As hard as nails (usually about a person) As hard as diamond As hard as rock
Obsidian, Rock, Concrete, and diamond.
well a feather is about one gram, and a diamond is just as hard as a rock and typically weighs less than a gram. A one gram-diamond is five carats, and there are definitely 1/4 carat diamonds and even smaller. So, the answer is a diamond
because rocks are extremely hard to cut or even crack
Diamond Rock happened in 1805.
because many carbon atoms were crushed under many layers of rock for millions of years.
The harder rock is diamond
A diamond
Diamond is hardest Diamond cuts glass Glass does not cut diamond
Diamond !... DIamond is the hardest (known) natural element on the planet. Small pieces of diamond help the drill bit cut though tough obstacles such as rock.