Complete mineralogical data for PSEUDOMARKEYITE. Chemical Formula: Ca8(UO2)4(CO3)12(H2O)18·3H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROSPERITE. Chemical Formula: Ca2Zn4(AsO4)4·H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROTO-ANTHOPHYLLITE. Chemical Formula: □Mg2Mg5[Si8O22](OH)2. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROTOCASEYITE. Chemical Formula: Al4(V5+10O28)(OH)6(H2O)12·8H2O. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROTOCHABOURNÉITE. Chemical Formula: Tl4-xPb2+2xSb20-x-yAsyS34 (0.02≤x≤0.34, 5.71≤y≤6.69). Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROTOENSTATITE. Chemical Formula: Mg2[Si2O6]. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROTO-FERRO-ANTHOPHYLLITE. Chemical Formula: □Fe2+2Fe2+5[Si8O22](OH)2. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROTO-FERRO-SUENOITE. Chemical Formula: □Mn2+2Fe2+5[Si8O22](OH)2. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Proto-owheeite. Chemical Formula: Pb40Ag9Sb45S112. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for PROUDITE. Chemical Formula: Pb16Cu2Bi20(S,Se)47. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.