Our Sodim feldspar is a top grade Sodium oxide (Na2O) content of 10.4%. Available in lumps, chips, and powder forms Specifications: SiO2 (Silicon Dioxide): 67.1%, TiO2 (Titanium Dioxide): traces, Al2O3 (Aluminum Oxide): 18%, Fe2O3 (Iron Oxide): 0.31%, CaO (Calcium Oxide):
