VOA-Sparrow Clinic The VOA-Sparrow Clinic is a collaboration between Volunteers of America and Sparrow Hospital, providing both physical and mental health care to the homeless in the Lansing area. Their location is 430 N Larch in Lansing.
Answers. Best Answer: Proposed to be an element by Carl Wilhelm Scheele in 1774, manganese was discovered by Johan Gottlieb Gahn, a Swedish chemist, by heating the mineral pyrolusite (MnO2) in the presence of charcoal later that year.
Manganese is a chemical element with the atomic number of 25 and is represented by the symbol Mn. It is the 12th most common element found in the crust of the Earth.Manganese is a metal that can be found in its free form on Earth, often combined with iron, as well as in many minerals. Manganese is essential in the production of steel and iron and this makes up the most common use of this metal. 2  It improves the workability of the steel when it reaches high temperatures.