A crystalline form ofĀ carbon, widely used as a precious stone in jewellery.
Diamonds are the hardest natural substance known, rating 10 on the Mohs scale ofĀ hardness. They are widely used in engineering owing to their great hardness and form the tips of theĀ indentersĀ in many types ofĀ hardnessĀ testing machines.
Diamond
A crystalline form ofĀ carbon, widely used as a precious stone in jewellery.
Diamonds are the hardest natural substance known, rating 10 on the Mohs scale ofĀ hardness. They are widely used in engineering owing to their great hardness and form the tips of theĀ indentersĀ in many types ofĀ hardnessĀ testing machines.