What is silica made of?

Silica, also known as silicon dioxide or SiO2, is a colorless, white, chemical compound. Silica is made of the most common elements on earth, silicon (Si) and oxygen (O2). It's also the most abundant compound in the earth's crust, where it makes up 59% of the total composition. read more

Silica gel is a granular, vitreous, highly porous form of silica and is made synthetically from sodium silicate. read more

Silica is silicon dioxide, SiO2. It is also sand. This new site reveals so much more. Enter a name and state to begin. read more