The hardest naturally occurring substance is called diamond. It is a form of carbon.
The hardest know naturally occurring material is diamond, an allotrope of carbon.
The hardest natural substance in the human body is enamel. The hardest natural substance in nature is diamond.
The hardest part of a tooth is the outer layer, the enamel. It is the hardest substance in the whole human body.
Diamond use to be the hardest known natural substance now it is the mineral lonsdaleite at 58% stronger then diamond is the first the second hardest is wurtzite boron nitride at 18% stronger then diamonds they are both extreamly rare natural minerals sources http://www.newscientist.com/article/dn16610-diamond-no-longer-natures-hardest-material.html
Diamond
diamond
Fact
The hardest naturally occurring substance is called diamond. It is a form of carbon.
Diamond
Diamonds are the hardest known substance
Diamond. a very hard material that is the hardest substance ever, or at least discover to be the hardest substance on EARTH THAT IS
The hardest substance in a rock would be the hardest mineral of which the rock is composed.
The hardest substance in the human body is tooth enamel.The enamel that coats your teeth is the hardest substance in the human body.enamel of your teeth?
On earth, diamond is the hardest naturally occurring substance.
Diamond is the hardest substance in the world
It is called the enamel. It's the most external layer of a tooth and the hardest substance in the body.
Yes.
No,diamond is the hardest known substance on Earth.
The hardest part of a tooth is the outer layer, the enamel. It is the hardest substance in the whole human body.