Manganese Balls
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A Brief History of Discovery The earliest use of manganese dates back to the Stone Age. As early as 17,000 years ago,
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A Brief History of Discovery The earliest use of manganese dates back to the Stone Age. As early as 17,000 years ago, manganese oxides (pylurite) were used as pigments in cave paintings by people in the late Paleolithic period, and manganese was later found in weapons used by Spartans in ancient Greece. The ancient Egyptians and Romans used manganese ore to decolorize or dye glass. Although pyrolusite has been used by people for a long time [2], until the 1870s, Western chemists still believed that pyrolusite was a Chemicalbook mineral containing tin, zinc and cobalt. In the late 18th century, the Swedish chemist T.O. Bergman studied pyrolusite, believing it to be a new metal oxide, and tried to isolate the metal without success. The Swedish chemist Scheler also did not extract the metal from the pyrolusite, so he turned to his friend and Bergman's assistant, Gunn. In 1774, Gann used Scheler's purified pyrolusite powder and charcoal to heat in a crucible for one hour to obtain a button-shaped metal manganese block [3], which Bergman named manganese.
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Electrolytic metal manganese sheet, metal manganese ball
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