Which scientific scale is used for measuring the hardness of rocks?

Correct answer: Mohs scale

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What people think about it: 3 Comments
Andy
Andy
His name is at too M(ineral) O(f) H(ardness) S(cale) Mohs
Player #12331564
Player #12331564
Thank you Bert, Big Bang Theory! Lol
arohanui
arohanui
the answer is confusing. in the first paragraph it says can be scratched but subsequently it says can scratch. the second is correct