Junior Class 5 Answered
which is the hardest rokc on earth. which rock cancut it
Asked by vicaz261 | 15 Mar, 2017, 09:11: PM
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 Sivanand Patnaik | 16 Mar, 2017, 09:47: AM
