Apatite, Chalcogen, Hexagonal, Thermal expansion

• F-O-P-Pb
• Cl-O-P-Pb
• Cl-O-Pb-V
• Bi-Na-O-P-Pb
• F-O-P-Pb-V
• linear thermal expansion coefficient
• volume thermal expansion coefficient
• values of thermal expansion
• chalcogen
• apatite
• disordered
• alkaline