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  Posted by Dikshu on January 16, 2024 at 12:02 pm

  What is the hardest natural substance on Earth?

  Gaurav replied 3 months, 1 week ago 2 Members · 1 Reply

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  Gaurav

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  January 17, 2024 at 4:58 pm

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  The hardest naturally occurring substance on Earth is diamond. Diamonds are made of carbon atoms arranged in a crystal lattice structure, resulting in exceptional hardness. They are formed deep within the Earth’s mantle under intense heat and pressure over millions of years. Due to their hardness, diamonds are widely used in various industries, including jewelry, cutting tools, and industrial applications.

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