AIGS Hardness Level
Educational
AIGS Hardness Level
Hardness is the power a mineral has to resist scratching (abrasion)
In 1812 the Mohs scale of mineral hardness was devised by the German mineralogist Frederich Mohs (1773 - 1839), who selected the ten minerals because they were common or readily available. the scale is not a linear scale, but somewhat arbitrary.
TAG Moh's scale, hardness level, mineral hardness, AIGS hardness scale, how hard is diamond, Frederich Mohs, Beginner guide
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