Information card for entry 9017220

Structure parameters

• Mineral name: Orthoclase
• Formula: Al K0.92 Na0.08 O8 Si3
• Calculated formula: Al K0.92 Na0.08 O8 Si3
• Title of publication: Structural controls on the anisotropy of tetrahedral frameworks: the example of monoclinic feldspars Note: T = 1075 K, Sample H003
• Authors of publication: Angel, R. J.; Ross, N. L.; Zhao, J.; Sochalski-Kolbus L; Kruger, H.; Schmidt, B. C.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2013
• Journal volume: 25
• Pages of publication: 597 - 614
• a: 8.6849 Å
• b: 12.9747 Å
• c: 7.203 Å
• α: 90°
• β: 115.819°
• γ: 90°
• Cell volume: 730.638 ų
• Ambient diffraction temperature: 1075 K
• 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