Na7Fe4[AsO4]6 hR246 167

• As-Fe-Na-O
• Al-As-Ca-Fe-Mg-Na-O
• Co-K-Li-Mo-O
• Al-As-Ca-Cu-Fe-K-Mg-Na-O-Zn
• Fe-Na-O-P
• structural properties
• alkali
• chalcogen
• transitional
• disordered
• trigonal