ˈapˌjäˌnīt noun
( -s )
Etymology: German apjohnit, from James Apjohn died 1886 Irish chemist who first examined it + German -it -ite
: a mineral MnSO 4 .Al 2 (SO 4 ) 3 .22H 2 O consisting of manganese aluminum sulfate containing water and occurring in crusts or fibrous masses