Information card for entry 9000995

Structure parameters

• Mineral name: Cordierite
• Formula: Al3.84 Be0.16 Fe0.6 H0.6 Mg1.4 Na0.25 O18.6 Si5
• Calculated formula: Al3.84 Be0.16 Fe0.6 Mg1.4 Na0.25 O18.6 Si5
• Title of publication: Role of Na in the structure of low-cordierite: A single-crystal X-ray study Sample: from Alpe Sponda, Central Alps, Switzerland
• Authors of publication: Armbruster, T.
• Journal of publication: American Mineralogist
• Year of publication: 1986
• Journal volume: 71
• Pages of publication: 746 - 757
• a: 17.06 Å
• b: 9.759 Å
• c: 9.322 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1552.01 ų
• Number of distinct elements: 8
• 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