Information card for entry 9017143

Structure parameters

• Mineral name: Merrillite
• Formula: Ca9 Fe0.048 Mg0.952 Na0.98 O28 P7
• Calculated formula: Ca54 Fe0.288 Mg5.712 Na5.88 O168 P42
• Title of publication: Chemical composition and crystal structure of merrillite from the Suizhou meteorite
• Authors of publication: Xie, X.; Yang, H.; Gu, X.; Downs, R. T.
• Journal of publication: American Mineralogist
• Year of publication: 2015
• Journal volume: 100
• Pages of publication: 2753 - 2756
• a: 10.3444 Å
• b: 10.3444 Å
• c: 37.0182 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3430.49 ų
• Number of distinct elements: 6
• Space group number: 161
• Hermann-Mauguin space group symbol: R 3 c :H
• Hall space group symbol: R 3 -2"c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No