The white sand mine has an area of 406 ha and has a geological reserve of over 28 million tons of white sand. The mineral composition is mainly silica (> 98%). The white sand at the mine has a good selectivity, being small to medium sized. The major particle grades (0.5 - 0.125 mm) account for an average of >85% and are very stable; Particle size> 0.5 mm and particle size 99.6%; Al2O3 0,03% - 0,6%; Fe2O3