Borate, Chalcogen, Metalloid, Values of luminescence

• B-Eu-H-O
• B-F-H-K-O-U
• B-Eu-Gd-O
• B-Eu-Gd-O-Y
• B-H-O-Rb-U
• borate
• metalloid
• chalcogen
• nonmetal
• rare earth
• monoclinic
• hexagonal
• trigonal
• orthorhombic
• tetragonal