資料來源 : pyDict

毛礬石

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Alunogen \A*lu"no*gen\, n. [F. alun alum + -gen.] (Min.)
   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.