Olivine sand Chemical composition of olivine sand: Ingredients: ( approx. %) Magnesium oxide (mgo) : 49.43% (edta method) Silica (sio2) : 39.20% (gravi metric method) Calcium oxide(cao) : 01.34% (edta method) Alumina(al2o3) : 00.41% (edta method) Ferric oxide(fe2o3) : 08.32% (edta method) Loss on ignition(loi) : 00.94% Packing in 1 ton hdpe jumbo bags