What is MAGNESITE?

Carbonate of magnesium, crystallizing in the trigonal system. Magnesite is a basic refractory used in open-hearth and other high-temperature furnaces; it is resistant to attack by basic slag. It is obtained from natural deposits mosdy magnesium carbonate, MgCO.O which is calcined at high temperature to drive off moisture and carbon dioxide, before being used as a refractory,


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