Feldspar in Crystal Form comes in accurate composition that ensures long lasting shelf life with optimum performance. The Feldspar comes with Silica content of 67.00% +/- 1%. The Feldspar has Alumina content of 18.25% +/- 0.5%. The Feldspar in Crystal Form contains Ferric Oxide in the amount of Fe2O3 0.06% +/- 0.02%.
