Thirumalai

• Eu-Li-O-Zr
• Ca-Eu-O-W-Y
• La-Mo-Na-O-Tb
• Ca-Er-O-W-Y-Yb
• Gd-Mo-Na-O-Tm-Yb
• structural properties
• transitional
• chalcogen
• lanthanoid
• rare earth
• alkali
• cubic