Information card for entry 9003058

Structure parameters

• Mineral name: Pigeonite
• Formula: Ca0.195 Fe0.838 Mg0.922 Mn0.027 O6 Si2
• Calculated formula: Ca0.195 Fe0.8377 Mg0.9219 Mn0.0274 O6 Si2
• Title of publication: Coupling between non-convergent ordering and transition temperature in the C2/c - P2_1/c phase transition in pigeonite Sample: BTS-308 n.17-1, before heat treatment
• Authors of publication: Camara, F.; Carpenter, M. A.; Domeneghetti, M. C.; Tazzoli, V.
• Journal of publication: American Mineralogist
• Year of publication: 2003
• Journal volume: 88
• Pages of publication: 1115 - 1128
• a: 9.716 Å
• b: 8.946 Å
• c: 5.252 Å
• α: 90°
• β: 108.49°
• γ: 90°
• Cell volume: 432.935 ų
• 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