| hardness |
the ability of a mineral to withstand scratching
출처: www.msnucleus.org/membership/html/k-6/rc/dictionar...
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| hardness |
The inferior hardness of CZ (8.5 vs. 10 of diamond) manifests itself in the gem's lower luster, rounded facet edges and surface scratches.
출처: www.nationmaster.com/encyclopedia/Cubic-zirconia
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| hardness |
Property of a mineral's resistance to being scratched.
출처: www.mdk12.org/instruction/curriculum/science/gloss...
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| hardness |
the amount of calcium carbonate dissolved in water.
출처: www.wef.org/publicinfo/newsroom/wastewater_glossar...
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| hardness |
The degree of resistance of a given mineral to scratching, indicating the strength of the bonds that hold the mineral's atoms together. The hardness of a mineral is measured by rubbing it with substances of known hardness.
출처: college.hmco.com/geology/resources/geologylink/glo...
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