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Can a diamond scratch graphite?

April 26, 2017diamond graphite scratch

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Can a diamond scratch graphite?

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Yes, diamonds are 10/10 on the scale of mineral hardness. Graphite is at the lower end, at 2 or 3. Diamonds can scratch any mineral because there are no other minerals which are as hard. The next hardest mineral is corundum,which scores a 9/10 on the scale.