Information card for entry 4518947

Structure parameters

• Common name: (Mg,Fe)5Si2O9
• Mineral name: elgoresyite
• Formula: Al0.05 Ca0.02 Fe1.6 Mg3.38 Na0.03 O9 Si1.95
• Calculated formula: Fe0.99 Mg3.41 O9 Si2.6
• Title of publication: Discovery of Elgoresyite, (Mg,Fe)5Si2O9: Implications for novel iron-magnesium silicates in rocky planetary interiors
• Authors of publication: Bindi, L.; Bykova, E.; Ovsyannikov, S.V.; McCammon, C.; Kupenko, I.; Ismailova, L.; Dubrovinsky, L.; Xie, X.
• Journal of publication: ACS Earth and Space Chemistry
• Year of publication: 2021
• Journal volume: 5
• Pages of publication: 2124 - 2130
• a: 9.3946 ± 0.0004 Å
• b: 2.764 ± 0.0001 Å
• c: 11.0804 ± 0.0005 Å
• α: 90°
• β: 94.233 ± 0.004°
• γ: 90°
• Cell volume: 286.94 ± 0.02 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 7
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No