Information card for entry 9013389

Structure parameters

• Mineral name: Aenigmatite
• Formula: Ca0.129 Fe4.759 Mg0.327 Na1.871 O20 Si5.914 Ti
• Calculated formula: Ca0.129 Fe4.759 Mg0.327 Na1.871 O20 Si5.914 Ti
• Title of publication: The crystal-chemistry of aenigmatite revisited: electron microprobe data, structure refinement and Mossbauer spectroscopy of aenigmatite from Vesteroya (Norway)
• Authors of publication: Grew, E. S.; Halenius, U.; Pasero, M.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2008
• Journal volume: 20
• Pages of publication: 983 - 991
• a: 10.415 Å
• b: 10.84 Å
• c: 8.931 Å
• α: 105.107°
• β: 96.61°
• γ: 125.398°
• Cell volume: 746.778 ų
• Number of distinct elements: 7
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No