Beneficiated rock phosphate Name of product -beneficiated rock phosphate Chemical composition : - P2o5-30.20 %( minimum) R2o3-2 to 2.5% (maximum) Sio2-15 to 16 % Mgo-0.5 to 0.75% Cao-45 to 46% F-2.5 to 3% Co2/caco3-1.5 to 2 % Packed in 50 kgs. Polybags