Each natural stone has a strength rating often referred to as its Mohs hardness. The Mohs scale of mineral hardness was developed to identify the strength and hardness of any natural mineral.
For instance, if a stone has a Mohs hardness of seven, then that stone is solid enough to scratch another stone with a rating of six or lower. The information below gives homeowners an brief overview of the strength attributes of two popular stone types and their respective Mohs hardness ratings. In , the German mineralogist, Friedrich Mohs, devised a system to classify the relative hardness of natural minerals.
On what we now call the Mohs scale a rating of 1 refers to an extremely soft mineral while a rating of 10 refers to the hardest of all minerals. A mineral of unknown hardness can be tested against one of the standard minerals listed below. Whichever one scratches the other is harder and if both scratch each other they are both the same hardness.
Granite is rated 6 on the Mohs scale. What is the Hardness of Granite? Last updated on October 07, Article Sources. You must be logged in before you can vote. Every article is thoroughly fact-checked by members of our editorial team.
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