Manganese is a chemical element with symbol Mn and atomic number 25. It is not found as a free element in nature; it is often found in minerals in combination with iron. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels.the magnetic separation process of manganese ore can be applied to separate high phosphate ore, high-silicon ore and low bixbyite ore.
Hematite is colored black to steel or silver-gray, brown to reddish brown, or red. It is mined as the main ore of iron...More
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