K0.55Na0.57Ca0.77Mg0.36(Al0.19Si0.81)18O36[H2O]10.32 mS168 12

• Al-Ca-H-K-Mg-Na-O-Si
• Al-H-Mg-Na-O-Si
• structural properties
• metalloid
• zeolite heu
• alkali
• chalcogen
• monoclinic