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Unicus Olympiad Exams

Which mineral is the hardest?

The hardest mineral is called diamond.

  • Diamonds are very strong and can cut through other materials.
  • They form deep inside the Earth under high pressure and temperature.
  • Their hardness helps them shine bright and be used in jewelry.

Examples:

  • Diamonds are used in rings and necklaces because they look beautiful.
  • They are also used in tools that help to cut through hard rocks.
  • Some scientists use diamonds in special machines to study other materials.

Fun Fact: Did you know that diamonds are made of carbon? They are like super strong forms of coal!

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