Information card for entry 9004495

Structure parameters

• Mineral name: Fluoro-magnesio-aluminokatophorite
• Formula: Al0.53 Ca1.72 F2 Ga0.68 Mg4.81 Na2 O22 Si7.04
• Calculated formula: Al0.53 Ca1.72 F2 Ga0.68 Mg4.81 Na2 O22 Si7.04
• Title of publication: Synthetic fluoro-amphiboles: site preferences of Al, Ga, Sc and inductive effects on mean bond-lengths of octahedra Sample: A3, Ga-substituted
• Authors of publication: Oberti, R.; Hawthorne, F. C.; Camara, F.; Raudsepp, M.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1998
• Journal volume: 36
• Pages of publication: 1245 - 1252
• a: 9.866 Å
• b: 17.998 Å
• c: 5.285 Å
• α: 90°
• β: 104.93°
• γ: 90°
• Cell volume: 906.768 ų
• Number of distinct elements: 8
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No