we have iron ore with following specification. the interested party can contact us on 0301-8325899 for purchase. parameters Results Loss on ignition 1.49% Silica Si2O 8.66% Aluminum Al2O3 18.55% Iron as Fe2O3 69.33% Calcium CaO NIL Magnesium MgO 1.40% Sodium Na2O 0.16% Potassium K2O 0.26% Gold Au 0.099ppm total 99.85%