K2Ca1.65(Al0.33Si0.67)16O32[H2O]12 mP66 11

• Al-Ca-H-K-Na-O-Si
• structural properties
• optical properties
• values of refractive index
• refractive index
• mechanical properties
• chalcogen
• metalloid
• phillipsite
• alkali
• alkaline
• monoclinic