Alkali, Chalcogen, B-K, Trigonal

• B-K-O
• Al-B-Ca-Fe-H-K-Mg-Na-O-Si
• B-Ba-K-O-Tb
• B-Ba-K-O-Y
• Al-B-K-O-Rb
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• optical properties
• phase transitions
• metalloid
• chalcogen
• alkali
• disordered