Van aert

• Br-Cs-Pb-Zn
• Ca-Eu-Gd-Mo-O-W
• Br-Cd-Cs-Pb
• Br-Cs-Pb
• Br-Cs-Pb-Sn
• structural properties
• transitional
• quaternary
• chalcogen
• lanthanoid
• rare earth
• monoclinic
• tetragonal
• orthorhombic