Information card for entry 9004295

Structure parameters

• Mineral name: Fredrikssonite
• Formula: Al0.04 B2 Fe0.48 Mg3.92 Mn1.56 O10
• Calculated formula: Al0.04 B2 Fe0.48 Mg3.92 Mn1.56 O10
• Title of publication: Jahn-Teller-distorted MnO6 octahedra in fredrikssonite, the fourth polymorph of Mg2Mn(BO3)O2
• Authors of publication: Burns, P. C.; Cooper, M. A.; Hawthorne, F. C.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1994
• Journal volume: 32
• Pages of publication: 397 - 403
• a: 9.198 Å
• b: 12.528 Å
• c: 2.965 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 341.664 ų
• Number of distinct elements: 6
• Space group number: 55
• Hermann-Mauguin space group symbol: P b a m
• Hall space group symbol: -P 2 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No