Astrophyllite

• Fe-H-K-Mg-Na-O-Si-Ti
• F-Fe-H-K-Mg-Mn-Na-O-Si-Ti
• F-Fe-H-K-Mn-Na-O-Si-Ti-Zr
• F-Fe-H-K-Na-O-Si-Ti
• F-Fe-H-K-Na-O-Si-Sn-Ti
• structural properties
• thermal and thermodynamic properties
• electronic and electrical properties
• Debye or Einstein temperature
• heat capacity at constant pressure
• alkali
• astrophyllite
• chalcogen
• metalloid
• triclinic
• monoclinic