What is Brown asbestos?
[[File:Gruenerite Schist Metamorphic Rock North of Keystone, South Dakota 2916.jpg|thumb|right|Brown asbestos (grunerite)]] '''Brown asbestos''', also called '''grunerite''' or '''amosite''', is one of the six types of [[asbestos]]. It has the [[chemical formula]] [[Iron|Fe]]<sub>7</sub>[[Silicon|Si]]<sub>8</sub>[[Oxygen|O]]<sub>22</sub>([[Hydroxyl|OH]])<sub>2</sub>. It is less common than [[white asbestos]] but can be found in some construction materials. Like other types of asbestos, being [[exposure|exposed]] to it can cause [[mesothelioma]] and [[asbestosis]]. {{sci-stub}} [[Category:Asbestos]]