Description
The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material.
This Collection contains 9 Minerals represents the scale of Hardness Talc (H=1), Gypsum (H=2), Calcite (H=3), Fluorite (H=4), Apatite (H=5), Orthoclase (H=6), Quartz (H=7), Topaz (H=8) & Corundum (H=9)
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