Monoclinic, Pressure, Quaternary, Transitional

• K-Na-Nb-O
• Fe-H-O-P
• Fe-Nb-O-Pb
• H-Mn-O-P
• Cl-H-Ni-O
• thermal and thermodynamic properties
• heat capacity at constant pressure
• heat capacity
• electronic and electrical properties
• phase transitions
• transitional
• quaternary
• chalcogen
• non-disordered