Information card for entry 9005804

Structure parameters

• Mineral name: Cordierite
• Formula: Al4 Mg2 O18 Si5
• Calculated formula: Al4 Mg2 O18 Si5
• Title of publication: Single crystal structure investigations under high-pressure of the mineral cordierite with an improved high-pressure cell Sample: P = 1.2 GPa
• Authors of publication: Koepke, J.; Schulz, H.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1986
• Journal volume: 13
• Pages of publication: 165 - 173
• a: 17.013 Å
• b: 9.68 Å
• c: 9.3035 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1532.16 ų
• Ambient diffracton pressure: 1200000 kPa
• Number of distinct elements: 4
• Space group number: 66
• Hermann-Mauguin space group symbol: C c c m
• Hall space group symbol: -C 2 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No