Difference Between Quartz and Feldspar | Difference Between
#0183;#32;Feldspar is the name given to a group of minerals that contain aluminum and silica ion. The feldspar group also includes potassium (potassium oxide), lime (calcium oxide) and aluminum silicates of soda (sodium oxide). Quartz is found in igneous, sedimentary and metamorphic rocks. Feldspar is found in granite bodies and pegmatite bodies.