Information card for entry 9013707

Structure parameters

• Mineral name: Pigeonite
• Formula: Al0.02 Ca0.121 Fe1.008 Mg0.871 O6 Si1.98
• Calculated formula: Al0.08 Ca0.484 Fe4.032 Mg3.484 O24 Si7.92
• Title of publication: High-pressure phase transition of a natural pigeonite Note: P = 0.047 GPa
• Authors of publication: Alvaro, M.; Nestola, F.; Ballaran, T. B.; Camara, F.; Domeneghetti, M. C.; Tazzoli, V.
• Journal of publication: American Mineralogist
• Year of publication: 2010
• Journal volume: 95
• Pages of publication: 300 - 311
• a: 9.722 Å
• b: 8.941 Å
• c: 5.247 Å
• α: 90°
• β: 108.5°
• γ: 90°
• Cell volume: 432.523 ų
• Ambient diffracton pressure: 47000 kPa
• 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