Kantha

• Ba-Fe-Nb-O-Sn-Ti
• Ba-Bi-La-Na-O-Tl-Zn
• Ba-Fe-Ge-Nb-O
• Ba-Fe-Nb-O
• Ba-K-Nb-O-Ti
• structural properties
• transitional
• chalcogen
• alkaline
• multinary
• alkali
• tetragonal
• cubic