Granite technically refers to a light-colored granulose plutonic rock composed of felspars, plagioclase, quartz (felsic minerals) and minor amounts of mafic minerals, such as biotite, hornblende, pyro...

Granite technically refers to a light-colored granulose plutonic rock composed of felspars, plagioclase, quartz (felsic minerals) and minor amounts of mafic minerals, such as biotite, hornblende, pyroxene, iron oxides, etc. But, in the commercial parlance, the term granite has become synonymous with all those crystalline rocks which have pleasing colours, strength to bear the processes of quarrying and cutting & polishing and are used commonly for decorative purposes..