Chalcogen, Transitional, H, Structural properties

• Fe-H-O
• Fe-H-O-P
• Fe-H-O-S
• Al-Fe-H-Mg-O-Si
• Al-F-Fe-H-K-Mg-Na-O-Si-Ti
• mechanical properties
• compressibility
• mechanical cell parameters change
• transitional
• chalcogen
• hydrate
• pnictogen
• monoclinic
• orthorhombic
• triclinic
• trigonal
• cubic