Fe-Mg, Structural properties, Transitional, Triclinic

• Ca-Fe-Mg-Mn-O-Si
• Al-Fe-H-Mg-O-Si
• Ca-Fe-Mg-Mn-O-Si-Zn
• Al-Ca-Fe-H-Mg-Mn-O-Si
• Al-Ca-Fe-Mg-O-Si
• alkaline
• transitional
• chalcogen
• disordered