Definitions for "Alunogen"
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.
Alunogen also called feather alum and hair salt is a colourless to white (although often coloured by impurities) fibrous aluminium sulfate mineral often found on the walls of mines and quarries.