apjohnite

noun
ap·john·ite | \ ˈapˌjäˌnīt \
plural -s

Definition of apjohnite 

: a mineral MnSO4·Al2(SO4)3·22H2O consisting of manganese aluminum sulfate containing water and occurring in crusts or fibrous masses

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History and Etymology for apjohnite

German apjohnit, from James Apjohn †1886 Irish chemist who first examined it + German -it -ite

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