Information card for entry 9010009

Structure parameters

• Mineral name: Bracewellite
• Formula: Cr H O2
• Calculated formula: Cr H O2
• Title of publication: Merumite, a complex assemblage of chromium minerals from Guyana
• Authors of publication: Milton, C.; Appleman, D. E.; Appleman, M. H.; Chao, E. C. T.; Cuttita, F.; Dinnin, J. I.; Dwornik, E. J.; Ingram, B. L.; Rose, H. J.
• Journal of publication: U.S. Geological Survey Professional Paper
• Year of publication: 1976
• Journal volume: 887
• Pages of publication: 1 - 29
• a: 4.492 Å
• b: 9.86 Å
• c: 2.974 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 131.722 ų
• Number of distinct elements: 3
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No