Complete mineralogical data for ARRHENIUSITE-(Ce). Chemical Formula: Ca6[(Ce7Y3)Mg[SiO4]3[Si3B3O18](AsO4)[BO3]F11. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARROJADITE-(BaNa). Chemical Formula: BaNa3(NaCa)Fe2+13Al(PO3OH)(PO4)11(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARROJADITE-(KFe). Chemical Formula: (KNa)Fe2+(CaNa2)Fe2+13Al(PO3OH)(PO4)11(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARROJADITE-(KNa). Chemical Formula: KNa3(CaNa2)Fe2+13Al(PO3OH)(PO4)11(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARROJADITE-(PbFe). Chemical Formula: PbFe2+(CaNa2)Fe2+13Al(PO3OH)(PO4)11(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARROJADITE-(SrFe). Chemical Formula: SrFe2+(CaNa2)Fe2+13Al(PO3OH)(PO4)11(OH)2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARSENATROTITANITE. Chemical Formula: NaTi(AsO4)O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARSENBRACKEBUSCHITE. Chemical Formula: Pb2(Fe3+,Zn)(AsO4)2(OH,H2O). Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARSENDESCLOIZITE. Chemical Formula: PbZn(AsO4)(OH). Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for ARSENIC. Chemical Formula: As. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.