Information card for entry 1564482

Structure parameters

• Common name: (Mg1.96Fe0.04)SiO4
• Mineral name: poirierite
• Formula: Fe0.04 Mg1.96 O4 Si
• Calculated formula: Fe0.04 Mg1.96 O4 Si
• Title of publication: Poirierite, a dense metastable polymorph of magnesium iron silicate in shocked meteorites
• Authors of publication: Tomioka, N.; Bindi, L.; Okuchi, T.; Miyahara, M.; Iitaka, T.; Li, Z.; Kawatsu, T.; Xie, X.; Purevjav, N.; Tani, R.; Kodama, Y.
• Journal of publication: Communications Earth and Environment
• Year of publication: 2021
• Journal volume: 2
• Pages of publication: 1 - 8
• a: 5.802 ± 0.011 Å
• b: 2.905 ± 0.009 Å
• c: 8.411 ± 0.016 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 141.8 ± 0.6 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 4
• Space group number: 51
• Hermann-Mauguin space group symbol: P m m a
• Hall space group symbol: -P 2a 2a
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No