Granite Mortar and Pestle

Granite is a common type of intrusive, felsic, igneous rock which is granular and phaneritic in texture.
A worldwide average of the chemical composition of granite, by weight percent:

 

SiO272.04% (silica)
Al2O314.42% (alumina)
K2O4.12%
Na2O3.69%
CaO1.82%
FeO1.68%
Fe2O31.22%
MgO0.71%
TiO20.30%
P2O50.12%
MnO0.05%

It is not easy to measure the hardness of Granite. Granite is a rock composed of multiple minerals, typical Quartz, Feldspar, Biotite and Hornblende. Each of the minerals has a unique hardness. In other words, we can measure the hardness of individual material but not easy of granite as a rock.

By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.

Close