H-K-O-P, Orthorhombic, P-x polyhedra

• H-K-O-P-V
• H-K-Mn-O-P
• Fe-H-K-O-P
• H-K-Mg-O-P
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• phase transitions
• mechanical properties
• chalcogen
• alkali
• pnictogen
• orthophosphate