Originally Posted By: wfalk
I don't know what's used to polish granite, nor do I know if the other minerals in yours particularly are soft. But granite is, by far, harder than steel.

Bah! My mind is made up, don't confuse me with facts! smile

It will no doubt damage the knife in the process, but a knife WILL scratch a granite counter top. Since the most expensive knife I own probably cost about $12, and my granite probably cost about a hundred times that, I will be keeping my knives away from my nice, shiny counters.

tanstaafl.
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