Manganese Carbonate Specs: Mn CONTENT: 44%MIN. SULPHATE: 0.7%MAX. CHLORIDE: 0.01%MAX. SIZE : 95% PASS 300 MESH Usage: Raw material for other manganese compounds, magnetic telecommunication equipment and ferrites, fodder and soil additive, pigment for varnishes and colouring of porcelain, catalyzator in petrochemistry etc.