where is rock salt on the moths hardness scale
Rock A has a superior hardness to rock B
depends a rock made from lava is an igneous rock.
Andesite is classified as an extrusive rock and the name of this rock is South American in origin. However, the hardness of this rock is not listed.
The Hardness of serpentine is 3-4.
Andesite is classified as an extrusive rock and the name of this rock is South American in origin. However, the hardness of this rock is not listed.
Halite, also known as rock salt, has a hardness of 2-2.5 on the Mohs scale. It is a relatively soft mineral that can be easily scratched with a fingernail or a pocket knife.
Coal, as an organic sedimentary rock, is not determined to have a hardness on the Mohs scale of mineral hardness.
Actually yes, testing a hardness of a rock can be done at another rock to see if it is harder than another rock. You scratch another rock to measure, or you can use a thing designed like a pen with a number (moh's hardness scale) of the rock for it.
The Mohs hardness scale.
No colour is an aesthetic property, hardness is a physical one
Two methods:- comparison with other materials with known hardness- using a special instrument to measure hardness