Information card for entry 9017500

Structure parameters

• Mineral name: Woodallite
• Formula: C0.07 H2 Al0.039 Cl0.11 Cr0.124 Fe0.087 Mg0.75 O2.851
• Calculated formula: C0.21 H6 Al0.117 Cl0.33 Cr0.372 Fe0.261 Mg2.25 O8.5542
• Title of publication: Contribution to the crystallography of hydrotalcites: the crystal structures of woodallite and takovite Note: polytype 3R Note: calculated chemical formula differs from expected
• Authors of publication: Mills, S. J.; Whitfield, P. S.; Kampf, A. R.; Wilson, S. A.; Dipple, G. M.; Raudsepp, M.; Favreau, G.
• Journal of publication: Journal of Geosciences
• Year of publication: 2012
• Journal volume: 58
• Pages of publication: 273 - 279
• a: 3.10124 Å
• b: 3.10124 Å
• c: 23.6817 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 197.249 ų
• Number of distinct elements: 8
• Space group number: 166
• Hermann-Mauguin space group symbol: R -3 m :H
• Hall space group symbol: -R 3 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No