Question

what is a diamond ?.
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Answer 1

Answer:

A diamond is a precious stone formed from an essentially colorless crystalline form of pure carbon. Interestingly, diamond and graphite are both pure forms of carbon. ... Diamonds are originally formed at depths of 140 to 190 kilometers in the Earth's mantle

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Answer 2

Answer:

Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable form of carbon, but diamond almost never converts to it

Explanation:

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