Question

Write about the properties and uses of the hardest natural material?

Answer 1

Diamond is the hardest naturally occurring substance found on Earth

1. Diamond

• Colourless transparent substance with extra ordinary brightnessdue to its high refractive index.
• It's quite heavy.
• It's extremely hard. (Hardest substance known)
• It's doesn't conduct electricity. (Due to absence of free ions)
• It has high thermal conductivity and high melting point.