Glass, by application, accounted for the greatest demand for washed silica sand in 2020, in terms of value and volume. Glass is one the major consumer of washed silica sand with minimal impurities, including silt, clay, and organic matter content. The chemical quality and composition of silica sand used is of paramount importance, owing to its large proportion in glass manufacturing. For instance, 99% or more silica content is required to produce a better grade of glass.