Information card for entry 9005676

Structure parameters

• Mineral name: Trattnerite
• Formula: Fe2.47 K0.12 Mg2.53 O30 Si12
• Calculated formula: Fe2.47 K0.12 Mg2.53 O30 Si12
• Title of publication: Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group: mineral data and crystal structure Sample: tr2 Note: X-coordinate of A site adjusted to match reported bond lengths and Figure 3
• Authors of publication: Postl, W.; Walter, F.; Ettinger, K.; Hauzenberger, C.; Bojar, H. P.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2004
• Journal volume: 16
• Pages of publication: 375 - 380
• a: 10.065 Å
• b: 10.065 Å
• c: 14.341 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1258.17 ų
• Number of distinct elements: 5
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No