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Hardness

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File:Rough Diamond.jpeg
The diamond has a Mohs Hardness Rating of ten.

In mineralogy "hardness" is a measure of the ability of a mineral to resist a mechanical force such as scratching or abrasion. This contrasts with the definition of the metallurgist who is more concerned with the ability of one material to dent or penetrate another. Hardness is a distinguishing characteristic of minerals that can be useful in identifying unknown specimens.

See Also

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