Information card for entry 9000013

Structure parameters

• Mineral name: Alunite
• Formula: Al3 H6 K O14 S2
• Calculated formula: Al3 H6 K O14 S2
• Title of publication: The crystal structures of alunite and the jarosites
• Authors of publication: Hendricks, S. B.
• Journal of publication: American Mineralogist
• Year of publication: 1937
• Journal volume: 22
• Pages of publication: 773 - 784
• a: 6.96 Å
• b: 6.96 Å
• c: 17.35 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 727.861 ų
• Number of distinct elements: 5
• 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