E

   Ekanite                              ThCa2Si8O20
   Elbaite                               Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
   Ematite                              Fe2O3
   Epistilbite                          CaAl2Si6O16· 5H2O
   Ettringite                           Ca6Al2(SO4)3(OH)12· 26H2O