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Mohs hardness of aerugite

Input interpretation

aerugite (mineral) | Mohs hardness
aerugite (mineral) | Mohs hardness

Result

4
4

Hardness comparisons

harder than a copper penny (Mohs 3.5)
harder than a copper penny (Mohs 3.5)
softer than apatite (Mohs 5)
softer than apatite (Mohs 5)

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