
This diagram is a magnified schematic that shows the mineral make-up of the igneous rock known as granite. The main minerals present are feldspars, micas and quartz. The arrangement of these minerals in the rock is purely random.
This diagram is a magnified schematic that shows the mineral make-up of the igneous rock known as granite. The main minerals present are feldspars, micas and quartz. The arrangement of these minerals in the rock is purely random.