Information card for entry 9000768

Structure parameters

• Mineral name: Feldspar
• Formula: Al1.18 Ba0.19 K0.59 Na0.22 O8 Si2.82
• Calculated formula: Al1.18 Ba0.19 K0.59 Na0.22 O8 Si2.82
• Title of publication: The crystal structure of ternary (Ba,K,Na)-feldspar and its significance
• Authors of publication: Viswanathan, K.; Brandt, K.
• Journal of publication: American Mineralogist
• Year of publication: 1980
• Journal volume: 65
• Pages of publication: 472 - 476
• a: 8.516 Å
• b: 13.023 Å
• c: 7.206 Å
• α: 90°
• β: 115.9°
• γ: 90°
• Cell volume: 718.903 ų
• Number of distinct elements: 6
• 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