China Tongling weight mineral products company is main to produce and sell top quality iron pyrite and mica iron oxide which it is main to use in steelmaking, abrasive industry, grey cast iron, lead melting, tin melting, lead acid battery recycle, decoppering agent , primer paints and so on. We can supply products like this: 1.IRON PYRITE Powder: 0~325mesh Lumps~0-80mm Or as per customersâ?? requirments. S: 48%~50% Fe: 40%~44% 2.MICA IRON OXIDE Purity: 93% If you are looking for great quality iron pyrites or mica iron oxide, welcome to contact us at any time.