Complete mineralogical data for EIFELITE. Chemical Formula: K(□,Na)2(Mg,Na)2Mg3[Si12O30]. Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for EIRIKITE. Chemical Formula: KNa6Be2[(Si15Al3)O39]F2. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for EITELITE. Chemical Formula: Na2Mg(CO3)2. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for EKANITE. Chemical Formula: Ca2Th[Si8O20]. Crystal System: Tetragonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for EKATERINITE. Chemical Formula: Ca2[B4O7]Cl2·2H2O. Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for EKATITE. Chemical Formula: (Fe3+,Fe2+,Zn)12(As3+O3)6(As3+O3,SiO3OH)2(OH)6. Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Ekebergite. Chemical Formula: ThFeNb2O8. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for EKPLEXITE. Chemical Formula: (Nb,Mo)(Mg1-xAlx)S2(OH)2+x. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ELALIITE. Chemical Formula: (Fe2+8Fe3+)(PO4)O8. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ELASMOCHLOITE. Chemical Formula: Na3BiCu6(SO4)5O4. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.