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The Brainliest Answer!
2016-01-16T11:32:18+05:30
As it says in Mohs scale, the diamond is always at the most top of the scale, being the hardest mineral. 
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Thanks for ur answer ..
your welcome :)
please mark it brinliest ans....
2016-01-16T12:00:20+05:30
Iron is the metal hardest yetttt???

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