Sentence examples for hardest substance from inspiring English sources

The hardest substance on earth isn't diamond, or carbon nanorods.

Being nature's hardest substance they are used in all sorts of cutting, grinding and boring tools.

The hardest substance in the human body is the white enamel of the teeth.

It was the hardest substance I've ever worked with, because it's disgusting.

The white outside layer of the tooth is made of enamel, a lifeless matrix of calcium and phosphorus that is the hardest substance in the body.

By virtue of the rigidity of its bonding structure, diamond is the hardest substance known and also the best conductor of heat.

Diamonds are not indestructible, but they are the hardest substances known, given the top score of 10 on the Mohs scale of hardness — that is, resistance to scratching.

These are the hardest substances in the human anatomy and the ones that best resist the degradation of time and burial.

Image caption Diamond is one of the hardest substances known.

It is "the hard substance of things".

Once decomposed, their bones mixed with limestone and sediment to form a hard substance called breccia.