Maifanite is a natural drug ore. It contents potassium, sodium, calcium, magnesium, phosphorus ... , iron and zinc elements and so on Maifanite is a natural drug ore. It contents potassium, sodium, calcium, magnesium, ... purification, sewage treatment, and the bacteria with strong adsorption.chemical properties: ProjectsDataProjectsDataProjectsDataDensity2.55g/cm3SiO2Min 65-70%MgO0.65%Wear rateMax 0 ...