Information card for entry 9005135

Structure parameters

• Mineral name: Brewsterite-Ba
• Formula: Al2.1 Ba0.9 H9.3 K0.02 Mg0.04 Na0.035 O20.88 Si5.9
• Calculated formula: Al2.1 Ba0.9 H9.76 K0.02 Mg0.04 Na0.035 O20.88 Si5.9
• Title of publication: First occurrence of a Ba-dominant brewsterite: structural features
• Authors of publication: Cabella, R.; Lucchetti, G.; Palenzona, A.; Quartieri, S.; Vezzalini, G.
• Journal of publication: European Journal of Mineralogy
• 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: 8
• 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