What is Pyrolusite?
[[File:Pyrolusite-229779.jpg|thumb|Pyrolusite]] '''Pyrolusite''' is the natural form ([[ore]]) of [[manganese dioxide]]. Its hardness is about 5 on the Mohs scale. It is used in [[battery|batteries]], although many batteries use artificial manganese dioxide. It is an [[oxide mineral]]. ==Related pages== *[[Manganese(II) oxide]] *[[Manganese]] *[[Oxide]] {{science-stub}} {{Manganese minerals}} [[Category:Minerals]]