Complete mineralogical data for PERBØEITE-(Ce). Chemical Formula: (CaCe3)(Al3Fe2+)[Si2O7][SiO4]3O(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PERBØEITE-(La). Chemical Formula: (CaLa3)(Al3Fe2+)[Si2O7][SiO4]3O(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PERCHIAZZIITE. Chemical Formula: Co2(CO3)(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PELLYITE. Chemical Formula: Ba2CaFe2+2[SiO3]4[Si2O5]. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PENBERTHYCROFTITE. Chemical Formula: Al6(AsO4)3(OH)9(H2O)5·8H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Pendevilleite-(Y). Chemical Formula: Mg2Y3Al(UO2)2(CO3)7(OH)6(H2O)16. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PENFIELDITE. Chemical Formula: Pb2Cl3(OH). Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Pengite. Chemical Formula: Pb8Sb3+3(Sb5+O3)9O8. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PENIKISITE. Chemical Formula: BaMg2Al2(PO4)3(OH)3. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PENKVILKSITE. Chemical Formula: Na4Ti2[Si8O20]O2·4H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.