Information card for entry 9007506

Structure parameters

• Mineral name: Grandidierite
• Formula: Al3 B Fe0.1 Mg0.9 O9 Si
• Calculated formula: Al3 B Fe0.1 Mg0.9 O9 Si
• Title of publication: The crystal structure of grandidierite, (Mg,Fe)Al3SiBO9
• Authors of publication: Stephenson, D. A.; Moore, P. B.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1968
• Journal volume: 24
• Pages of publication: 1518 - 1522
• a: 10.335 Å
• b: 10.978 Å
• c: 5.76 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 653.516 ų
• Number of distinct elements: 6
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No