Information card for entry 9004558

Structure parameters

• Mineral name: Normandite
• Formula: Ca0.936 F Mn0.784 Na1.28 Nb0.124 O8 Si2 Ti0.876
• Calculated formula: Ca0.936 F Mn0.784 Na1.28 Nb0.124 O8 Si2 Ti0.876
• Title of publication: The crystal structure of normandite and its crystal-chemical relationships with lavenite
• Authors of publication: Perchiazzi, N.; McDonald, A. M.; Gault, R. A.; Johnsen, O.; Merlino, S.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2000
• Journal volume: 38
• Pages of publication: 641 - 648
• a: 10.799 Å
• b: 9.801 Å
• c: 7.054 Å
• α: 90°
• β: 108.075°
• γ: 90°
• Cell volume: 709.758 ų
• Number of distinct elements: 8
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No