1. High quality : S 48%MIN; Fe 43%MIN ; H2O 0.5%MAX 2.For abrasives industry only.  We are one of the biggest pyrite products manufacturer in China.Our main products are high quality pyrite ore and high quality pyrite powder.The quality and the size as follows:Pyrite ore(FeS2):Quality :S               48%min;Fe              43%min; SiO2             3%max;H2O              1%max.Size:3-15mm;10-30mm;10-50mm;10-80mm. Pyrite powder(FeS2):Quality :S               48%min;Fe              43%min;SiO2             3%max;H2O              1%max.Size:100mesh X down;200mesh 90% down;325mesh 70%min down;400mesh 60% min down.