The arctite group includes: arctite: Ba(Ca7Na5)(PO4)4(PO4)2F3 ariegilatite: BaCa12(SiO4)4(PO4)2OF2 dargaite: BaCa12(SiO4)4(SO4)2O3 nabimusaite: KCa12(SiO4)4(SO4)2O2F Back to Minerals