Alunogen
Pronunciation : A*lu"no*gen
Part of Speech : n.
Etymology : [F. alun alum + -gen.] (Min.)
Definition : Defn: A white fibrous mineral frequently found on the walls of mines and quarries, chiefly hydrous sulphate of alumina; -- also called feather alum, and hair salt.
Source : Webster's Unabridged Dictionary, 1913