Information card for entry 1544846

Structure parameters

• Common name: (Ca1.53 Na0.47)(Mg0.52Fe3+0.49)Si1.99O7
• Mineral name: synthetic melilite
• Formula: Ca1.53 Fe0.49 Mg0.52 Na0.47 O7 Si1.99
• Calculated formula: Ca1.53 Fe0.485 Mg0.515 Na0.47 O7 Si2
• Title of publication: Distribution of Fe3+ in a synthetic (Ca,Na)2(Mg,Fe3+)Si2O7-melilite: 57Fe Mossbauer and X-ray Rietveld studies
• Authors of publication: Akasaka, M.; Nagashima, M.; Makino, K.; Ohashi, H.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2005
• Journal volume: 100
• Pages of publication: 229 - 236
• a: 7.8228 ± 0.0002 Å
• b: 7.8228 ± 0.0002 Å
• c: 5.0271 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 307.639 ± 0.013 ų
• Number of distinct elements: 6
• Space group number: 113
• Hermann-Mauguin space group symbol: P -4 21 m
• Hall space group symbol: P -4 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No