One of the six fibrous minerals that naturally forms asbestos material. This mineral was commonly found in commercial asbestos products.

Another one of six naturally occurring fibrous minerals forming the group called asbestos. Amosite was a common form of asbestos used in commercial products and is light gray to pale brown in color.

Brown asbestos - type of asbestos from amphibole group.

a type of asbestos of the amphibole variety accounting for 3% of all asbestos used. Its color varies from gray to yellow to dark brown, and its fibers are coarse in texture. Fibers are somewhat pliable, have good flexibility, but only fair spinnability. Amosite was used for asbestos cement, pipe, and roofing materials.