Being composed of calcite marble has a hardness of three on the mohs hardness scale.
Marble on the hardness scale.
The mohs scale of mineral hardness m oʊ z is a qualitative ordinal scale characterizing scratch resistance of various minerals through the ability of harder material to scratch softer material.
As a result marble is less porous and slightly stronger than limestone but still less durable than granite.
An example of the hardness of a granite countertop can be seen in the fact that a knife blade will not scratch the surface.
It can also be used for metal.
In simple words soapstone is the softest material and diamond is the hardest material.
Marble has a mohs hardness scale rating between 3 4.
Hardness is determined by the ability of one mineral to scratch another.
As a result marble is easy to carve and that makes it useful for producing sculptures and ornamental objects.
When black granite is measured on the mohs scale it falls somewhere between 6 and 7.
The translucence of marble makes it especially attractive for many types of sculptures.
Because granite is between a 6 and 7 on the mohs scale it would be able to scratch other types of stone that have lower ratings such as marble.
This means that marble is less scratch resistant than granite.
For example a diamond can scratch granite while granite can scratch marble.
Marble is limestone that has been compacted and heated over millions of years.
Granite on the mohs scale.
On average it is 6 5.