Mohs Scale O Meeneral Haurdness
The Mohs scale o mineral haurdness chairacterizes the scratch reseestance o sindry minerals throu the ability o a haurder material tae scratch a safter material.
It wis creatit in 1812 bi the German geologist an mineralogist Friedrich Mohs an is ane o several defineetions o haurdness in materials science. The method o comparin haurdness bi seein which minerals can scratch ithers, houever, is o great antiquity, haein been mentioned bi Theophrastus in his treatise On Stones, c. 300 BC, follaed bi Pliny the Elder in his Naturalis Historia, c. 77 AD.
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