Information card for entry 9000161

Structure parameters

• Mineral name: Orthoclase
• Formula: Al K O8 Si3
• Calculated formula: Al K O8 Si3
• Title of publication: The crystal structure of an adularia and a refinement of the structure of orthoclase Note: Spencer B, variety adularia
• Authors of publication: Colville, A. A.; Ribbe, P. H.
• Journal of publication: American Mineralogist
• Year of publication: 1968
• Journal volume: 53
• Pages of publication: 25 - 37
• a: 8.554 Å
• b: 12.97 Å
• c: 7.207 Å
• α: 90°
• β: 116.01°
• γ: 90°
• Cell volume: 718.6 ų
• Number of distinct elements: 4
• 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