Diamond

A crystalline form of carbon, widely used as a precious stone in jewellery.

Diamonds are the hardest natural substance known, rating 10 on the Mohs scale of hardness. They are widely used in engineering owing to their great hardness and form the tips of the indenters in many types of hardness testing machines.

Diamond

A crystalline form of carbon, widely used as a precious stone in jewellery.

Diamonds are the hardest natural substance known, rating 10 on the Mohs scale of hardness. They are widely used in engineering owing to their great hardness and form the tips of the indenters in many types of hardness testing machines.