Complete mineralogical data for Ertlite. Chemical Formula: NaAl3Al6[Si4B2O18](BO3)3(OH)3O. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ERYTHRITE. Chemical Formula: Co3(AsO4)2(H2O)6·2H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ERYTHROSIDERITE. Chemical Formula: K2Fe3+Cl5(H2O). Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Erzwiesite. Chemical Formula: Pb12Ag8Bi16S40. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Escheite. Chemical Formula: Ca2NaMnTi5[Si12O34]O2(OH)3·12H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Esdanaite-(Ce). Chemical Formula: NaMnCe(PO4)2·4H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ESKEBORNITE. Chemical Formula: CuFeSe2. Crystal System: Tetragonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ESKIMOITE. Chemical Formula: Pb10Ag7Bi15S36. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ESKOLAITE. Chemical Formula: Cr2O3. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ESPADAITE. Chemical Formula: Na4Ca3Mg2(AsO3OH)2(AsO2(OH)2)10(H2O)6·H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.