trudellite
noun
tru·dell·ite
trüˈdeˌlīt
plural -s
: a mineral Al10Cl12(OH)12(SO4)3.3OH2O(?) consisting of a hydrous basic aluminum chloride and sulfate and occurring in amber-yellow masses
Word History
Etymology
Harry W. Trudell, born 1884 American mineralogist + English -ite