Giza, Shikh Zayed, Egypt Our products are sailed in TONS. The silica contents in the Quartz mineral attains 99.70% whilst the K2O on the felspar over 11 % with 2 to 4.5% Na2O. Talc of the First grade with 96 degree of whiteness and mica plates more than 20 x 20 cm diameters...