- manganese, Mn, atomic number 25 - a hard brittle gray polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
--1 is a kind of metallic element, metal
--1 is a substance ofhausmannite; manganite; psilomelane; pyrolusite; rhodochrosite - Minnesota, Gopher State, North Star State, MN - a midwestern state
--2 is a kind of American state
--2 is a part of Midwest, Middle West
--2 has parts:Voyageurs National Park; Bemidji; Duluth; Hibbing; Mankato; Minneapolis; Rochester; Saint Cloud, St. Cloud; Saint Paul, St. Paul, capital of Minnesota; Virginia; Little Sioux River; Mesabi Range