Chalcogen, Non-disordered, Keszler, Structural properties

• B-O-Sc-Sr
• Nb-Pd-Se
• B-Cu-O-Sr
• B-Ba-Fe-O-Y
• Ba-Mg-O-Si
• chalcogen
• non-disordered
• metalloid
• alkaline
• trigonal
• monoclinic
• orthorhombic
• cubic
• tetragonal