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Manganese was discovered by [[Johann Gahn]] in 1774 by heating [[pyrolusite]] with [[charcoal]].
Manganese was discovered by [[Johann Gahn]] in 1774 by heating [[pyrolusite]] with [[charcoal]].
Manganese is used in small amounts to change the propeties of [[steel]] and other useful alloys.
[[Category:Elements]]
[[Category:Elements]]