calcium carbonate content,96% 0 mesh --400 mesh, rich lime stone resource, bulk shipment MOQ :25tons Shandong CITIC Calcium Industry Co., ... Calcium is more than 100,000 tons per year. 1 lime stone product index 1)CaCO3 ≥97%,MgO ≤0.6%,SiO2 ≤1 ... %,MgO ≤1.6%,SiO2 ≤1.4%,Fe2O3 ≤0.06%2 Lime stone specification1)0 mesh---400 mesh,2)10mm----40mm,3)40mm ...