Manganese. What is Manganese? MANGANESE (Mn) is a hard but very brittle silver-gray metallic element Its atomic number is 25.
A Comparative Study A Comparative Study. Manganese Mining Phosphate Mining Coal Mining.
40Ar 39Ar Geochronological Constraints on the Evolution of Lateritic Iron Deposit QF Spier C a Et Al Chemical Geology 234 2006-79-104
Manganese, Phosphate and Coal Mining
