What Is the Difference Between Washed Sand & Silica Sand? | eHowSilicon dioxide is a chemical compound that is also known as silica. Silica sand is a type of sand that mostly consists of tiny granules of quartz. Quartz itself.difference between quartz sand and silica sand,Difference Between Silica and QuartzFeb 23, 2012 . Silica is an abundant mineral on the earth crust, and it is in sand, quartz and many other minerals. Some minerals have pure silica but, in some,.
difference between quartz sand and silica sand