K0.9(Na0.97Ca0.03)3Al4[SiO4]4 hP60 173

• Al-K-Na-O-Si
• Al-Ca-K-Na-O-Si
• Al-Fe-K-Na-O-Si
• Al-Ca-Fe-K-Na-O-Si
• Al-K-Na-O-Si-Yb
• structural properties
• values of refractive index
• refractive index
• optical properties
• mechanical properties
• alkali
• disordered
• chalcogen
• metalloid
• orthosilicate
• hexagonal