Information card for entry 9016896

Structure parameters

• Mineral name: Laachite
• Formula: Ca2 Fe2 Nb2 O14 Zr2
• Calculated formula: Ca8 Fe8 Nb8 O56 Zr8
• Title of publication: Combined neutron and X-ray diffraction determination of disorder in doped zirconolite-2M Note: CaZrFeNbO7, model 1
• Authors of publication: Whittle, K. R.; Hyatt, N. C.; Smith, K. L.; Margiolaki, I.; Berry, F. J.; Knight, K. S.; Lumpkin, G. R.
• Journal of publication: American Mineralogist
• Year of publication: 2012
• Journal volume: 97
• Pages of publication: 291 - 298
• a: 12.670281 Å
• b: 7.378349 Å
• c: 11.525772 Å
• α: 90°
• β: 100.67°
• γ: 90°
• Cell volume: 1058.87 ų
• Number of distinct elements: 5
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No