Complete mineralogical data for FEKLICHEVITE. Chemical Formula: Na11Ca9(Fe3+,Fe2+)2Zr3NbSi[Si3O9]2[Si9O27]2O(OH,H2O,Cl,O)5. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FELBERTALITE. Chemical Formula: Pb6Cu2Bi8S19. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FELSÖBÁNYAITE. Chemical Formula: Al4(SO4)(OH)10·4H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FENAKSITE. Chemical Formula: KNaFe2+[Si4O10]. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FENCOOPERITE. Chemical Formula: Ba6Fe3+3[Si8O23](CO3)2Cl3·H2O. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FENGCHENGITE. Chemical Formula: Na12□3Ca6Fe3+3Zr3Si2[Si3O9]2[Si9O27]2O(OH)2(H2O)3. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FEODOSIYITE. Chemical Formula: Cu11Mg2Cl18(OH)8(H2O)13·3H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERBERITE. Chemical Formula: Fe2+(WO4). Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERCHROMIDE. Chemical Formula: Cr(Cr0.5Fe0.2□0.3). Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERDOWSIITE. Chemical Formula: Ag8(Sb5As3)S16. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.