Complete mineralogical data for POWELLITE. Chemical Formula: Ca(MoO4). Crystal System: Tetragonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for POYARKOVITE. Chemical Formula: Hg1+3ClO. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PRACHAŘITE. Chemical Formula: CaSb5+2(As3+2O5)2O2·10H2O. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PRADETITE. Chemical Formula: CoCu4(AsO3OH)2(AsO4)2·9H2O. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PREHNITE. Chemical Formula: Ca2Al[Si3AlO10](OH)2. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for POTASSIC-FLUORO-HASTINGSITE. Chemical Formula: KCa2(Fe2+4Fe3+)[Si6Al2O22]F2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for POTASSIC-FLUORO-PARGASITE. Chemical Formula: KCa2(Mg4Al)[Si6Al2O22]F2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for POTASSIC-JEANLOUISITE. Chemical Formula: K(NaCa)(Mg4Ti)[Si8O22]O2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for POTASSIC-MAGNESIO-ARFVEDSONITE. Chemical Formula: KNa2(Mg4Fe3+)[Si8O22](OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for POTASSIC-MAGNESIO-FLUORO-ARFVEDSONITE. Chemical Formula: KNa2(Mg4Fe3+)[Si8O22]F2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.