Information card for entry 1537126

Structure parameters

• Chemical name: K4.5 (Al4.5 Si11.5 O32) (H2 O)4
• Formula: Al4.5 H8 K4.5 O36 Si11.5
• Calculated formula: Al4.48 K4.48 O36 Si11.52
• Title of publication: Montesommaite, (K, Na)9 Al9 Si23 O64 * 10(H2 O), a new zeolite related to merlinoite and the gismondine group
• Authors of publication: Ross, C.R.II.; Paris, E.; Rubie, D.C.
• Journal of publication: American Mineralogist
• Year of publication: 1990
• Journal volume: 75
• Pages of publication: 1415 - 1420
• a: 7.141 Å
• b: 7.141 Å
• c: 17.307 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 882.551 ų
• Number of distinct elements: 5
• Space group number: 141
• Hermann-Mauguin space group symbol: I 41/a m d :2
• Hall space group symbol: -I 4bd 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No