1. Dolomite Physical Specification +12 BSS : NIL +16 BSS : 5% max -100 BSS : 15% max Acid Insoluble : 5% max Chemical Specification CaO : 30 +/- 2% MgO : 20 +/- 2% Fe2O3 : 0.22% max SiO2 : 4% max 2. Dolomite (Flint Grade) Physical Specification +12 BSS : NIL +16 BSS : 5% max -100 BSS : 15% max Acid Insoluble : 5% max Chemical Specification CaO : 30 +/- 2% MgO : 20 +/- 2% Fe2O3 : 0.12% max SiO2 : 4% max Dolomite lumps 100% pure best export quality per month 5000/8000 m/ton approximate supply as per buyer of requirements....