Cell and atoms, Crystalline structure, Fe-Mg-O-Si

• Al-F-Fe-H-K-Mg-Na-O-Si-Ti
• Ca-Fe-Mg-O-Si
• Al-Fe-H-Mg-O-Si
• Al-Fe-Mg-O-Si
• metalloid
• alkaline
• chalcogen
• transitional
• monoclinic
• orthorhombic
• trigonal
• triclinic
• cubic