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Magnesite, or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2−ions held together by ionic bonding.Magnesium hydroxide forms in the presence of water (MgO + H2O → Mg(OH)2), but it can be reversed by heating it to separate moisture.
 
Causitc Calcined Magnesite is made from magnesite by *******0 degree heating.
Application: Industrial,Fertilizer,Agricultural,Cement,Water treatmemt,Animal feed,Pharmaceutical,Paper-making,Desulfurization