Information card for entry 1535784

Structure parameters

• Chemical name: Ba2 (Al4 Si12 O32) (H2 O)9.76
• Formula: Al4 Ba2 H19.52 O41.76 Si12
• Calculated formula: Al4 Ba2 O41.76 Si12
• Title of publication: First occurence of a Ba-dominant brewsterite: structural features
• Authors of publication: Cabellal, R.; Lucchetti, G.; Palenzona, A.; Quartieri, S.; Vezzalini, G.
• Journal of publication: European Journal of Mineralogy (1,1989-)
• Year of publication: 1993
• Journal volume: 5
• Pages of publication: 353 - 360
• a: 6.79 Å
• b: 17.581 Å
• c: 7.735 Å
• α: 90°
• β: 94.5°
• γ: 90°
• Cell volume: 920.519 ų
• Number of distinct elements: 5
• Space group number: 11
• Hermann-Mauguin space group symbol: P 1 21/m 1
• Hall space group symbol: -P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No