Top 10 Mohs Scale of hardness

Top 10 Mohs Scale Degrees of HardnessThe Mohs scale of mineral hardness was once upon a time little more than a wooden box. This wooden box had ten compartments and inside each one contained a numbered mineral specimen. Then each mineral was tested by seeing which minerals can visibly scratch the others. Despite its lack…

via Top 10 Mohs Scale Degrees of Hardness — The top 10 of Anything and Everything!!!

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8 thoughts on “Top 10 Mohs Scale of hardness

  1. messymimi

    Although i didn’t know the order of the others on the list, i do remember from school that diamonds are the hardest things on earth. Our teacher told us, to tell if he gave you a real diamond, see if it will scratch a glass or mirror. If not, he’s a cheapskate!

    Liked by 1 person

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