Information card for entry 1556969

Structure parameters

• Common name: Na(Fe,Mn)PO4
• Mineral name: karenwebberite
• Formula: Fe0.773 Mn0.228 Na0.8817 O4 P
• Calculated formula: Fe0.67 Mn0.33 Na0.68 O4 P
• Title of publication: Karenwebberite, Na(Fe2+,Mn2+)PO4, a new member of the triphylite group from the Malpensata pegmatite, Lecco Province, Italy
• Authors of publication: Vignola, P.; Hatert, F.; Fransolet, A.-M.; Medenbach, O.; Diella, V.; Ando, S.
• Journal of publication: American Mineralogist
• Year of publication: 2013
• Journal volume: 98
• Pages of publication: 762 - 772
• a: 4.882 ± 0.001 Å
• b: 10.387 ± 0.002 Å
• c: 6.091 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 308.87 ± 0.1 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 5
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No