Information card for entry 9003110

Structure parameters

• Mineral name: Pigeonite
• Formula: Ca0.15 Mg1.85 O6 Si2
• Calculated formula: Ca0.15 Mg1.85 O6 Si2
• Title of publication: High pressure behavior, transformation and crystal structure of synthetic iron-free pigeonite Sample: P = 4.5 GPa
• Authors of publication: Nestola, F.; Tribaudino, M.; Ballaran, T. B.
• Journal of publication: American Mineralogist
• Year of publication: 2004
• Journal volume: 89
• Pages of publication: 189 - 196
• a: 9.523 Å
• b: 8.7 Å
• c: 5.136 Å
• α: 90°
• β: 107.8°
• γ: 90°
• Cell volume: 405.148 ų
• Ambient diffracton pressure: 4500000 kPa
• Number of distinct elements: 4
• 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