Correct spelling for the English word "alunogene" is [ɐlˈʌnə͡ʊd͡ʒˌiːn], [ɐlˈʌnəʊdʒˌiːn], [ɐ_l_ˈʌ_n_əʊ_dʒ_ˌiː_n] (IPA phonetic alphabet).
An ore of alumina, known as hair-salt or feather-alum-is a frequent efflorescence on the walls of quarries or mines.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.