Hexagonal, O-Si, Orthosilicate, Phase transitions

• La-O-Si
• La-O-Si-Sr
• Al-H-Na-O-Si
• Ca-La-Mn-O-Si
• Al-C-H-Na-O-Si
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• metalloid
• orthosilicate
• chalcogen
• disordered