AM_Clinoptilolite-Ca_5
Formula: Na1.12 Ca K.74 Mg.04 (Si14.64 Al3.36) O47.38 H30
Name: Clinoptilolite-Ca
Unit cell: 17.66 17.963 7.4 90.0 116.47 90.0 , V=2101.39
Space group: C12/M1 (12)

Koyama K , Takeuchi Y , Zeitschrift fur Kristallographie , 145 (1977) p.216-239, Clinoptilolite: The distribution of potassium atoms, and its role in thermal stability, Locality: Kuruma Pass, Fukushima Prefecture, Japan, Note: z(Wat7) corrected