Ca1.8(Al0.30Si0.70)12O24[H2O]13.2 hR246 166

• Al-Ca-H-O-Si
• Al-Ca-H-K-Mg-O-Si-Sr
• structural properties
• values of refractive index
• optical properties
• mechanical properties
• refractive index
• zeolite
• metalloid
• chalcogen
• alkaline
• disordered
• trigonal