Let us learn about diamond corner
Diamond deposits occur in 3 types of geological modules. They are: 1) Kimberlite pipes, 2) conglomerate beds & 3) alluvial gravels. The main diamond bearing places in India are Penna belt of Madhya Pradesh & parts of Andhra Pradesh. We have reserves of 28 lakhs carats diamond corner. In diamond each C atom is in sp3hybridised state & is linked to 4 other neighboring C atoms held at the corners of a regular tetrahedron by covalent bonds. And this results in a very large 3D polymeric structure in which C-C distance is 1.54 Aº & bond angle is 109.5°.
Diamond corner is the hardest substance known & possesses abnormally high melting point about 3600ºC, diamond corner is extremely inert chemically. Diamond crystals are always non conductors of electricity
