Information card for entry 9010455

Structure parameters

• Mineral name: Jahnsite
• Formula: Fe3 H18 Mg2 Na O26 P4
• Calculated formula: Fe3 H18 Mg2 Na O26 P4
• Title of publication: Jahnsite-(NaFeMg), a new mineral from the Tip Top mine, Custer County, South Dakota: Description and crystal structure
• Authors of publication: Kampf, A. R.; Steele, I. M.; Loomis, T. A.
• Journal of publication: American Mineralogist
• Year of publication: 2008
• Journal volume: 93
• Pages of publication: 940 - 945
• a: 15.0811 Å
• b: 7.1403 Å
• c: 9.8299 Å
• α: 90°
• β: 110.445°
• γ: 90°
• Cell volume: 991.841 ų
• Number of distinct elements: 6
• Space group number: 13
• Hermann-Mauguin space group symbol: P 1 2/a 1
• Hall space group symbol: -P 2ya
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No