Beneficiation and mineral processing of sand and silica sand
Beneficiation and mineral processing of sand and silica sand. Heavy Mineral Sands (or Black Sands) • The most common constituents of sands are silica (SiO2), usually in the form of quartz, and iron oxides. • Zircon, Ilmenite, and Rutile, Monazite, and Garnet are coproduct or byproduct of heavy mineral sands.