Information card for entry 9017897

Structure parameters

• Mineral name: Poirierite
• Formula: Fe0.038 Mg1.962 O4 Si
• Calculated formula: Fe0.076 Mg3.924 O8 Si2
• 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 & Environment
• Year of publication: 2021
• Journal volume: 2
• Pages of publication: ? - 16
• a: 5.802 Å
• b: 2.905 Å
• c: 8.411 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 141.766 ų
• 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