Information card for entry 9010617

Structure parameters

• Mineral name: Tassieite
• Formula: Ca2 Fe3.254 H4 Mg2.746 Na0.478 O26 P6
• Calculated formula: Ca2 Fe3.254 H4 Mg2.746 Na0.478 O26 P6
• Title of publication: Tassieite, (Na,_)Ca2(Mg,Fe2+,Fe3+)2(Fe3+,Mg)2(Fe2+,Mg)2(PO4)6*2H2O, a new hydrothermal wicksite-group mineral in fluorapatite nodules from granulite- facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica Sample: 1
• Authors of publication: Grew, E. S.; Armbruster, T.; Medenbach, O.; Yates, M. G.; Carson, C. J.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2007
• Journal volume: 45
• Pages of publication: 293 - 305
• a: 12.4595 Å
• b: 11.5955 Å
• c: 12.7504 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1842.1 ų
• Number of distinct elements: 7
• Space group number: 61
• Hermann-Mauguin space group symbol: P b c a
• Hall space group symbol: -P 2ac 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No