Na0.65Ca2.25(Al0.29Si0.71)18O36[H2O]17 mS152 12

• Al-Ca-H-Na-O-Si
• structural properties
• refractive index
• values of refractive index
• optical properties
• Mohs hardness
• chalcogen
• metalloid
• zeolite sti
• alkali
• stilbite
• monoclinic