Information card for entry 9010232

Structure parameters

• Mineral name: Grandidierite
• Formula: Al3 B Fe0.45 Mg0.55 O9 Si
• Calculated formula: Al3 B Fe0.45 Mg0.55 O9 Si
• Title of publication: The geometric effects of VFe2+ for VMg substitution on the crystal structures of the grandidierite-ominelite series Sample: G2 Locality: Andrahomana, Madagascar
• Authors of publication: Dzikowski, T. J.; Groat, L. A.; Grew, E. S.
• Journal of publication: American Mineralogist
• Year of publication: 2007
• Journal volume: 92
• Pages of publication: 863 - 872
• a: 10.3403 Å
• b: 11.0332 Å
• c: 5.7655 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 657.766 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