Information card for entry 9011177

Structure parameters

• Mineral name: Hyalophane
• Formula: Al1.42 Ba0.39 Ca0.01 K0.43 Na0.17 O8 Si2.58
• Calculated formula: Al1.42 Ba0.39 Ca0.01 K0.43 Na0.17 O8 Si2.58
• Title of publication: Refinement of the structures of low and high hyalophanes Sample: Low hyalophane
• Authors of publication: De Pieri, R.; Quareni, S.; Hall, K. M.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1977
• Journal volume: 33
• Pages of publication: 3073 - 3076
• a: 8.557 Å
• b: 13.04 Å
• c: 7.2 Å
• α: 90°
• β: 115.69°
• γ: 90°
• Cell volume: 723.986 ų
• Number of distinct elements: 7
• 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