Sand raw materials - SlideShare
Sand raw materials 1. Lecture 5: Sand Raw Materials Hassan Z. Harraz [email protected] Spring 2015 Taken from the earth Given back to the earth 1 2. MINERAL SANDS Silicon (Si) is the 2nd most abundant element in earth's crust. Commonly found in its oxidized form (SiO2). Sand is a naturally occurring granular material comprised of finely ...