मोह की कठोरता परीक्षा क्या है? (2021 अपडेटेड)

मोह की कठोरता परीक्षा क्या है? (2021 अपडेटेड)

Just like metals and their alloys hardness is conveniently measured using Rockwell, Brinell, and the Vickers hardness tests, the hardness of minerals is best determined using Moh’s hardness test. The hardness test is all about determining the resistance of the...
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