Our Potassium feldspar is a high-quality mineral renowned for its potassium oxide (K2O) content of 11%. Available in lumps, chips, and powder forms Specifications: SiO2 (Silicon Dioxide): 67.3%, TiO2 (Titanium Dioxide): traces, Al2O3 (Aluminum Oxide): 17.3%, Fe2O3 (Iron Oxide): 0.26%, CaO (Calcium Oxide):
