Information card for entry 9010540

Structure parameters

• Mineral name: Pargasite
• Formula: Al1.85 Ca0.98 Fe0.76 H2 K0.018 Mg3.41 Na1.69 O24 Si7.08 Ti0.02
• Calculated formula: Al1.85 Ca0.98 Fe0.76 H2 K0.018 Mg3.41 Na1.69 O24 Si7.08 Ti0.02
• Title of publication: Sodium at the A site in clinoamphiboles: the effects of composition on patterns of order Sample: A10 - FE129 N.1
• Authors of publication: Hawthorne, F. C.; Oberti, R.; Sardone, N.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1996
• Journal volume: 34
• Pages of publication: 577 - 593
• a: 9.839 Å
• b: 17.963 Å
• c: 5.291 Å
• α: 90°
• β: 105.17°
• γ: 90°
• Cell volume: 902.535 ų
• Number of distinct elements: 10
• 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