Information card for entry 9009827

Structure parameters

• Mineral name: Papagoite
• Formula: Al Ca Cu O9 Si2
• Calculated formula: Al Ca Cu O9 Si2
• Title of publication: Refinement of the structure of papagoite, CaCuAlSi2O6(OH)3 Note: U(1,1)(O3) changed from .0068 to match reported Uiso
• Authors of publication: Groat, L. A.; Hawthorne, F. C.
• Journal of publication: Mineralogy and Petrology
• Year of publication: 1987
• Journal volume: 37
• Pages of publication: 89 - 96
• a: 12.926 Å
• b: 11.496 Å
• c: 4.696 Å
• α: 90°
• β: 100.81°
• γ: 90°
• Cell volume: 685.43 ų
• Number of distinct elements: 5
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No