Information card for entry 9006555

Structure parameters

• Mineral name: Pigeonite
• Formula: Fe0.39 Mg0.61 O3 Si
• Calculated formula: Fe0.39 Mg0.61 O3 Si
• Title of publication: Structure, ordering and cation interactions in Ca-free P2_1/c clinopyroxenes Sample: H162 Note: x coordinate of O2B changed by author, May, 2004
• Authors of publication: Angel, R. J.; McCammon, C. A.; Woodland, A. B.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1998
• Journal volume: 25
• Pages of publication: 249 - 258
• a: 9.6519 Å
• b: 8.9075 Å
• c: 5.2004 Å
• α: 90°
• β: 108.59°
• γ: 90°
• Cell volume: 423.773 ų
• 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