CaAl2[Si2O7][OH]2[H2O] oP60 62

• Al-Ca-H-O-Si
• Al-Ca-Fe-H-O-Si
• H-Mn-O-Si-Sr
• structural properties
• thermal and thermodynamic properties
• phase transitions
• structural transitions
• temperature for structural transition
• alkaline
• metalloid
• chalcogen
• lawsonite
• hydroxide
• orthorhombic