Complete mineralogical data for FERRIPERBØEITE-(La). Chemical Formula: (CaLa3)(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Ferriphoxite. Chemical Formula: (NH4)2KFe3+(PO3OH)2[C2O4](H2O). Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERRIPREHNITE. Chemical Formula: Ca2Fe3+[AlSi3O10](OH)2. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERRIPYROPHYLLITE. Chemical Formula: Fe3+2[Si4O10](OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERRIROCKBRIDGEITE. Chemical Formula: (Fe3+0.67□0.33)2(Fe3+)3(PO4)3(OH)4(H2O). Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERRISANIDINE. Chemical Formula: K[Si3Fe3+O8]. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERRISEPIOLITE. Chemical Formula: (Fe3+,Fe2+,Mg)4[(Si,Fe3+)6O15](O,OH)2(H2O)4·2H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERRISTRUNZITE. Chemical Formula: Fe3+Fe3+2(PO4)2(OH)3·5H2O. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for FERRISURITE. Chemical Formula: Pb2.4Fe3+2[Si4O10](CO3)1.7(OH)3(H2O). Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Ferrisymplesite. Chemical Formula: Fe3+3(AsO4)2(OH)3·5H2O. Crystal System: Amorphous. Learn about its geologic occurrence, habit, and identification.