Information card for entry 9006565

Structure parameters

• Mineral name: Protoferro-anthophyllite
• Formula: Fe6.5 H2 Mg0.1 Mn0.4 O24 Si8
• Calculated formula: Fe6.5 H2 Mg0.1 Mn0.4 O24 Si8
• Title of publication: A crystal chemical study of protoanthophyllite: orthoamphiboles with the protoamphibole structure Sample: PFA Hiruka Village
• Authors of publication: Sueno, S.; Matsuura, S.; Gibbs, G. V.; Boisen, M. B.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1998
• Journal volume: 25
• Pages of publication: 366 - 377
• a: 9.388 Å
• b: 18.387 Å
• c: 5.347 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 922.984 ų
• Number of distinct elements: 6
• Space group number: 58
• Hermann-Mauguin space group symbol: P n m n
• Hall space group symbol: -P 2n 2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No