Manganese - Element information, properties and uses | Periodic .Element Manganese (Mn), Group 7, Atomic Number 25, d-block, Mass 54.938. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and.information about manganese mineral,Manganese | Minerals Education CoalitionManganese is a very brittle, hard, pinkish-gray metal. It is a reactive metal . of the Elements. Home Mining & Minerals Information Periodic Table of the Elements.
information about manganese mineral