Mai fan stone are a magma differentiation later period of the alkaline rock series of calcium result, is one and a half kinds of spot rocks weathered in the igenous rock,it is the aggregate of many kinds of mineral. Mai fan stone with plagioclase, potassium feldspar main fact, secondly is made up of quartz, horn blende, black mica and accessory substance phosphorus fossil,etc.. If Maifan stone make slight powder of 325 meshes, fetch one observe under electron microscope, it is obvious as the coral reef or spongy porous structure.
The main chemical composition of the maifan stone is inorganic silicon aluminium sour salt, including SiO2, AL2O3, Fe2O3, FeO, MgO, CaO, K2O, Na2O, TiO2, P2O5, MnO,etc.; Also contain all constant elements that animals needs, for instance, microelements and rare-earth element such as K, Na, Ca, P, Mg, Fe, Cu, Zn, Mn, Mo,etc., the amount of kind about 58.
The main use of maifan stone: Trades such as feed, cosmetics, textile, water treatment, decorating, chemical industry, etc.
Granularity of produce: Between 0.5um-2um.