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.
Most manganese today is found in mineral ores in Russia, Brazil, Australia, South Africa, Gabon and India. Large quantities of manganese nodules can be found on the ocean floor. They contain about 24 percent manganese and may become a source of the metal in the future.