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Which material is the hardest naturally occurring substance?

ScienceMinerals

Quick Answer

Diamond is the hardest naturally occurring substance on the Mohs scale. It scores a 10, the highest possible rating.

The Full Story

Diamond is the hardest naturally occurring substance known on the Mohs hardness scale, where it has a value of 10. This means it resists scratching better than any other naturally occurring mineral. Its hardness comes from its crystal structure, in which each carbon atom is strongly bonded to four others. Despite being extremely hard, diamond can still be fractured if struck in the right way.

Key Facts

1.Diamond ranks 10 on the Mohs scale
2.Hardness comes from carbon atoms in a crystal lattice
3.It resists scratching better than any other natural mineral

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Suggested video title for this topic:

"The hardest natural substance on Earth is more fragile than you think!"