Medical stone is a kind of of non-toxic, harmless and have a certain biological activity of composite mineral or medicinal rock.Medical stone is the main chemical composition of the inorganic silicon aluminate.Including SiO2, Al2O3, Fe2O3 FeO, MgO style, CaO, K2O, Na2O, TiO2, P2O5 and MnO, still contain animal all the major elements, such as: K, Na, Ca, Mg, Cu, Mo, such as trace elements and rare earth elements, about 58. Medical stone tan-white granular appearance, is the late magmatic differentiation of calc-alkalic rock series product, is a kind of half fire slurry rock weathering of rocks, multiple mineral aggregate.Medical stone gap structure is complex, high biological activity, dissolve stable performance and has good capability of adsorption and decomposition. Characteristics of maifan stone With mineralization of maifan stone purify water quality, increase the biological activity of water, improve the body, physiological function and two-way to adjust the ph of water features such as read.If quoted by this product soaking water for a long time, can protect liver jianwei, diuresis, stable blood pressure, improve circulation, preventing cancer, prolong life, skin beauty, strong bones, the development intelligence, promoting development, hemostasis swelling, is widely used in medical and health care, food and health, environmental protection, quality improvement and beverage, wine, medicine, deodorant, crops and flower cultivation, poultry, aquaculture and other industries.