Information card for entry 9001363

Structure parameters

• Mineral name: Langbanite
• Formula: Mn13 O24 Sb Si2
• Calculated formula: Mn13 O24 Sb Si2
• Title of publication: The remarkable langbanite structure type: Crystal structure, chemical crystallography and relation to some other cation close-packed structures
• Authors of publication: Moore, P. B.; Sen Gupta, P. K.; Le Page, Y.
• Journal of publication: American Mineralogist
• Year of publication: 1991
• Journal volume: 76
• Pages of publication: 1408 - 1425
• a: 11.563 Å
• b: 11.563 Å
• c: 11.1 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1285.27 ų
• Number of distinct elements: 4
• Space group number: 157
• Hermann-Mauguin space group symbol: P 3 1 m
• Hall space group symbol: P 3 -2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No