Information card for entry 9007054

Structure parameters

• Mineral name: Pigeonite
• Formula: Ca0.107 Fe0.416 Mg0.464 Mn0.014 O3 Si
• Calculated formula: Ca0.1066 Fe0.41595 Mg0.46375 Mn0.0137 O3 Si
• Title of publication: Non-convergent ordering and displacive phase transition in pigeonite: in situ HT XRD study Sample: hgg, T = 750 C
• Authors of publication: Camara, F.; Carpenter, M. A.; Domeneghetti, M. C.; Tazzoli, V.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 2002
• Journal volume: 29
• Pages of publication: 331 - 340
• a: 9.824 Å
• b: 9.017 Å
• c: 5.309 Å
• α: 90°
• β: 109.19°
• γ: 90°
• Cell volume: 444.155 ų
• Ambient diffraction temperature: 1023.15 K
• Number of distinct elements: 6
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No