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07-Oct-2017 14:11

Diamonds are brought close to the Earth's surface through deep volcanic eruptions by magma, which cools into igneous rocks known as kimberlites and lamproites.

The rate at which temperature changes with increasing depth into the Earth varies greatly in different parts of the Earth.

Diamond is renowned as a material with superlative physical qualities, most of which originate from the strong covalent bonding between its atoms.