Diamonds is not a stone it's crystal actually.
But the hardest stone is granite stone.
the hardest thing about arthritis is dealing with the horrible pain
yes
The Pokémon Ditto.
Silver Dream
One of the hardest equations in the world is Fermat's Last Theorem. It is included in the Guinness Book of World Records for "most difficult mathematical problems". It is sometimes called Fermat's conjecture.
Diamond is the hardest precious stone
the hardest precious stone is the diamond
The hardest gemstone is the diamond.
Emerald is the forth hardest stone. It has hardness of 7.5 to 8
Stone Henge.
Diamond
diamond because it is beautiful and the hardest type of rock
C'mon. Diamond is the hardest mineral on Earth.
No. Diamond is the hardest natural mineral on earth.
Yes, diamonds are the hardest known natural material on Earth. They are ranked as a 10 on the Mohs scale of hardness, which is a scale that measures the hardness of minerals, with 10 being the highest.
diamond because it is a native crystalline carbon that is the hardest known mineral
Hardness is the resistance of a gem to scratching and abrasion. It is one of the key qualities of a gemstone. Diamond is the hardest gemstone. The second hardest gemstone is corundum (ruby and sapphire).