Information card for entry 9000532

Structure parameters

• Mineral name: Braunite
• Formula: Mn7 O12 Si
• Calculated formula: Mn7 O12 Si
• Title of publication: Braunite: its structure and relationship to bixbyite, and some insights on the genealogy of fluorite derivative structures
• Authors of publication: Moore, P. B.; Araki, T.
• Journal of publication: American Mineralogist
• Year of publication: 1976
• Journal volume: 61
• Pages of publication: 1226 - 1240
• a: 9.408 Å
• b: 9.408 Å
• c: 18.668 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1652.31 ų
• Number of distinct elements: 3
• 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