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hardness scale
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The Mohs Hardness Scale: How Gemstones, Metals, and Minerals Stack Up
At its core, the Mohs hardness scale measures abrasion resistance, not absolute hardness. A diamond (10) isn’t ten times harder than talc (1), but it can...
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At its core, the Mohs hardness scale measures abrasion resistance, not absolute hardness. A diamond (10) isn’t ten times harder than talc (1), but it can...