Complete mineralogical data for IRAQITE-(La). Chemical Formula: (K,□)Ca2(La,Ce,Th)[Si8O20]. Crystal System: Tetragonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRARSITE. Chemical Formula: IrAsS. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRHTEMITE. Chemical Formula: Ca4Mg(AsO3OH)2(AsO4)2(H2O)4. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRIDARSENITE. Chemical Formula: IrAs2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRIDIUM. Chemical Formula: Ir. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRIGINITE. Chemical Formula: (UO2)(Mo6+2O7)(H2O)2·H2O. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRINARASSITE. Chemical Formula: Ca3Sn4+2[SiAl2O12]. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRON. Chemical Formula: Fe. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for IRTYSHITE. Chemical Formula: Na2Ta4O11. Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ISEITE. Chemical Formula: Mn2+2(Mo4+3O8). Crystal System: Hexagonal. Learn about its geologic occurrence, habit, and identification.