Chalcogen, Rare earth, Monoclinic, Wavelength for luminescence

• B-Ca-Cl-Eu-Na-O
• B-Ca-Cl-Eu-Li-O
• B-Ca-Cl-Eu-K-O
• Al-Dy-Eu-O-Sr
• Eu-Mo-O-Sb
• rare earth
• chalcogen
• luminescent
• lanthanoid
• nonmetal