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which is the hardest rokc on earth. which rock cancut it
 

Asked by vicaz261 15th March 2017, 9:11 PM
Answered by Expert
Answer:
There is no such hardest rocks on our planet. Hardness is a mineral property. Most rocks are mixtures of minerals.
But the strongest rock include quartz.
Answered by Expert 16th March 2017, 9:47 AM
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