Information card for entry 9001308

Structure parameters

• Mineral name: Montesommaite
• Formula: Al0.58 H0.668 K O6.25 Si1.42
• Calculated formula: Al0.58 H0.5 K O4.25 Si1.42
• Title of publication: Montesommaite, (K,Na)9Al9Si23O64.10H2O, a new zeolite related to merlinoite and the gismondine group
• Authors of publication: Rouse, R. C.; Dunn, P. J.; Grice, J. D.; Schlenker, J. L.; Higgins, J. B.
• 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