Information card for entry 1551077

Structure parameters

• Common name: Mg2Cr2O5
• Mineral name: Mg2Cr2O5 modified ludwigite
• Formula: Cr2 Mg2 O5
• Calculated formula: Cr1.995 Mg2.005 O5
• Title of publication: A shallow origin of so-called ultrahigh-pressure chromitites, based on single-crystal X-ray structure analysis of the high-pressure Mg2Cr2O5 phase, with modified ludwigite-type structure
• Authors of publication: Ishii, T.; Tsujino, N.; Arii, H.; Fujino, K.; Miyajima, N.; Kojitani, H.; Kunimoto, T.; Akaogi, M.
• Journal of publication: American Mineralogist
• Year of publication: 2017
• Journal volume: 102
• Pages of publication: 2113 - 2118
• a: 9.6091 ± 0.0002 Å
• b: 12.4324 ± 0.0002 Å
• c: 2.8498 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 340.449 ± 0.015 ų
• Number of distinct elements: 3
• Space group number: 55
• Hermann-Mauguin space group symbol: P b a m
• Hall space group symbol: -P 2 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No