Chalcogen, Cristobalite

• O-Si
• Al-O-Si
• Ca-O-Si
• Fe-O-Si
• Mg-O-Si
• phase transitions
• phase diagram
• structural properties
• electronic and electrical properties
• chalcogen
• silicate
• cristobalite
• metalloid
• non-disordered
• cubic
• tetragonal
• monoclinic
• hexagonal
• orthorhombic