magnesite ore 1.CAS NO:1309-48-4 2.Appearance:white powder ... , rubber, surface coating, etc.Magnesite oxide is made from Brucite ore. It is odorless, tasteless and non-toxic white powder. It ... .Purity: 85%-99.5%Our products are produced from the ore of ourselvessize and packing as buyer's requeststock: keep in ...