Manganese oxide minerals Crystal structures and economic
1999330 ensp 0183 enspManganese oxide minerals have been used for thousands of years by the ancients for pigments and to clarify glass and today as ores of Mn metal alysts and battery material More than 30 Mn oxide minerals occur in a wide variety of geological settings They are major components of Mn nodules that pave huge areas of the ocean floor and bottoms of many freshwater lakes
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