Be-Ca, Chalcogen, Structural properties

• Al-Be-Ca-H-O-Si
• B-Be-Ca-Ce-H-O-Si-Y
• B-Be-Ca-Dy-H-O-Si-Y
• B-Be-Ca-Er-H-O-Si-Y
• B-Be-Ca-Eu-H-O-Si-Y
• alkaline
• chalcogen
• multinary
• metalloid
• monoclinic
• orthorhombic
• hexagonal
• cubic
• tetragonal