O-Si, Phase transitions, Silicate, Tetragonal

• Ba-Cu-O-Si
• Al-H-Na-O-Si
• Al-K-O-Si
• Al-H-O-Si
• fusion
• temperature for congruent melting
• structural transitions
• pressure for structural transition
• temperature for structural transition
• silicate
• metalloid
• chalcogen
• disordered