Magnesium oxide (MgO) is a metal oxide formed by processing magnesite.It is industrially produced by the calcination of magnesium carbonate or magnesium hydroxide.
Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium.It consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonding.