Information card for entry 9017709

Structure parameters

• Mineral name: Kummerite
• Formula: Al0.982 Fe1.368 H18 Mg0.27 Mn0.37 O18 P2 Zn0.03
• Calculated formula: Al0.982 Fe1.368 H18 Mg0.27 Mn0.37 O18 P2 Zn0.03
• Title of publication: Kummerite, Mn2+Fe3+Al(PO4)2(OH)2*8H2O, a new laueite-group mineral from the Hagendorf Sud pegmatite, Bavaria, with ordering of Al and Fe3+
• Authors of publication: Grey, I. E.; Keck, E.; Mumme, W. G.; Pring, A.; Macrae, C. M.; Glenn, A. M.; Davidson, C. J.; Shanks, F. L.; Mills, S. J.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2016
• Journal volume: 80
• Pages of publication: 1243 - 1254
• a: 5.316 Å
• b: 10.62 Å
• c: 7.118 Å
• α: 107.33°
• β: 111.33°
• γ: 72.22°
• Cell volume: 348.453 ų
• Number of distinct elements: 8
• 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