Luminescent, Rare earth, Monoclinic, Pls

• Al-Eu-N-O-Si-Sr
• Ba-Eu-O-Si-Zn
• B-Ba-Cl-Eu-O-Y
• B-Ba-Cl-Eu-Gd-O
• Cd-Dy-Mn-O-Si
• rare earth
• luminescent
• lanthanoid
• chalcogen
• nonmetal