Information card for entry 9014071

Structure parameters

• Mineral name: Barbertonite
• Formula: C0.097 H3.224 Cr0.19 Mg0.81 O2.903
• Calculated formula: C0.097 H3.224 Cr0.19 Mg0.81 O2.903
• Title of publication: The crystal structure of stichtite, re-examination of barbertonite, and the nature of polytypism in MgCr hydrotalcites Note: Sample 92459, 2H1 polytype of stichtite
• Authors of publication: Mills, S. J.; Whitfield, P. S.; Wilson, S. A.; Woodhouse, J. N.; Dipple, G. M.; Raudsepp, M.; Francis, C. A.
• Journal of publication: American Mineralogist
• Year of publication: 2011
• Journal volume: 96
• Pages of publication: 179 - 187
• a: 3.09646 Å
• b: 3.09646 Å
• c: 15.627 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 129.759 ų
• Number of distinct elements: 5
• Space group number: 194
• Hermann-Mauguin space group symbol: P 63/m m c
• Hall space group symbol: -P 6c 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No