Egorov tismenko

• B-Ca-H-O
• Cd-Na-O-Si
• Na-O-Si-Zn
• B-O-Zn
• B-Li-O
• structural properties
• chalcogen
• metalloid
• non-disordered
• transitional
• monoclinic
• triclinic
• orthorhombic
• trigonal
• tetragonal