Complete mineralogical data for ORTHOSERPIERITE. Chemical Formula: CaCu4(SO4)2(OH)6·3H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORTHOWALPURGITE. Chemical Formula: Bi4(UO2)(AsO4)2O4·2H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for OSAKAITE. Chemical Formula: Zn4(SO4)(OH)6·5H2O. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORGANOVAITE-Mn. Chemical Formula: K8Mn2+4Nb16[Si4O12]8O16(H2O)4-12·16H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORGANOVAITE-Zn. Chemical Formula: K8Zn4Nb16[Si4O12]8O16(H2O)8·16H2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORICKITE. Chemical Formula: CuFeS2·nH2O. Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORIENTITE. Chemical Formula: Ca8Mn3+10[Si3O10]3[SiO4]3(OH)10(H2O)2·2H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORISHCHINITE. Chemical Formula: Ni2P. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORLANDIITE. Chemical Formula: Pb3(Se4+O3)Cl4·H2O. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ORLOVITE. Chemical Formula: KLi2Ti[Si4O10](OF). Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.