Chalcogen, Cristobalite

• O-Si
• Fe-O-Si
• Al-O-Si
• Ca-O-Si
• Al-O-Si-Y
• phase transitions
• phase diagram
• structural properties
• thermal and thermodynamic properties
• metalloid
• silicate
• chalcogen
• cristobalite
• binary
• cubic
• tetragonal
• monoclinic
• orthorhombic