Information card for entry 9017057

Structure parameters

• Mineral name: Bridgmanite
• Formula: Cr0.138 Mg0.931 O3 Si0.931
• Calculated formula: Cr0.552 Mg3.724 O12 Si3.724
• Title of publication: Chromium solubility in perovskite at high pressure: The structure of (Mg1-xCrx)(Si1-xCrx)O3 (with x = 0.07) synthesized at 23 GPa and 1600 C
• Authors of publication: Bindi, L.; Sirotkina, E. A.; Bobrov, A. V.; Irifune, T.
• Journal of publication: American Mineralogist
• Year of publication: 2014
• Journal volume: 99
• Pages of publication: 866 - 869
• a: 4.8213 Å
• b: 4.9368 Å
• c: 6.9132 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 164.547 ų
• Sample thermal history: synthesized at 23 GPa and 1600 C
• Sample pressure history: synthesized at 23 GPa
• Number of distinct elements: 4
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No