Softest rock to hardest one : Granite,Metamorphic,Sedimentary,Igneous. Help please
Guys help I'm so confused
In the list given, the softest rock to the hardest one is igneous rock, sedimentary and metamorphic. Granite is a type of metamorphic rock, hence in the hardest category of rocks. Find out more from http://flexiblelearning.auckland.ac.nz/rocks_minerals/rocks/index.html.