Information card for entry 9009297

Structure parameters

• Mineral name: Natroalunite
• Formula: Al3 H6 K0.42 Na0.58 O14 S2
• Calculated formula: Al3 H6 K0.42 Na0.58 O14 S2
• Title of publication: Crystal structure of natroalunite and crystal chemistry of the alunite group
• Authors of publication: Okada, K.; Hirabayashi, J.; Ossaka, J.
• Journal of publication: Neues Jahrbuch fur Mineralogie, Monatshefte
• Year of publication: 1982
• Journal volume: 1982
• Pages of publication: 534 - 540
• a: 6.99 Å
• b: 6.99 Å
• c: 16.905 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 715.32 ų
• Number of distinct elements: 6
• 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