Meert

• Ca-Eu-Gd-O-W
• Gd-Mo-O
• Eu-Gd-Mo-O
• Eu-Mo-O-Sm
• Mo-O-Sm
• structural properties
• transitional
• lanthanoid
• rare earth
• chalcogen
• monoclinic
• tetragonal
• orthorhombic
• triclinic