Information card for entry 9000473

Structure parameters

• Mineral name: Braunite
• Formula: Ca0.01 Fe0.18 Mg0.13 Mn6.68 O12 Si
• Calculated formula: Ca0.01 Fe0.18 Mg0.13 Mn6.68 O12 Si
• Title of publication: The crystal structure of braunite with reference to its solid-solution behavior
• Authors of publication: de Villiers, J. P. R.
• Journal of publication: American Mineralogist
• Year of publication: 1975
• Journal volume: 60
• Pages of publication: 1098 - 1104
• a: 9.432 Å
• b: 9.432 Å
• c: 18.703 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1663.87 ų
• Number of distinct elements: 6
• Space group number: 142
• Hermann-Mauguin space group symbol: I 41/a c d :2
• Hall space group symbol: -I 4bd 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No