Mg-O-Si, Non-disordered, Primitive cell

• Ca-Mg-O-Si
• Al-Mg-O-Si
• H-Mg-O-Si
• Al-Ca-Fe-H-Mg-O-Si
• non-disordered
• chalcogen
• alkaline
• metalloid
• orthorhombic
• monoclinic
• cubic
• trigonal
• tetragonal