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.
Hardness
You could test for the property of hardness by seeing which mineral scratches the other. The mineral that scratches the other is the harder one.
The scratch test measures a mineral's hardness, which is its resistance to being scratched. This property is identified by comparing the hardness of a mineral to the hardness of known minerals on the Mohs scale.
There are some differences between hardness and hardenability. Hardness is the surface property of material to give resistance to the penetration or plastic deformation and it is measured by one of the tests......Rockwell hardness test,Brinell hardness test and Vicker hardness test. On the other hand,hardenability is defined as the ability how the material would be hardened and it is measured by Jominy hardenability test.
Hardness is a property of substances.
Hardness is the property of a material that resists indentation. Harder materials have stronger bonds between their atoms, making them more difficult to deform or dent. Hardness is typically measured using methods such as the Mohs scale or the Vickers hardness test.
Hardness of ductile materials can be determined by following methods..... 1) Brinell Hardness Test 2)Vickers Hardness Test 3)Rockwell Hardness Test 4) Scratch hardness test
That is testing the hardness.
physicalNo. It's a physical property
Yes, hardness is a specific property of each material.
physical property
physical property