Fused Magnesite

Magnesite sand is a kind of magnesium carbonate mineral, it is the main source of magnesium. It's main ingredient is MgCO3, It's white or light yellow, gray, sometimes with a reddish hue, and for those contains iron it's yellow,tan or brown;It is mainly used in refractory materials, building materials, chemical raw materials and refined metal magnesium and magnesium compound, etc.