Information card for entry 9004666

Structure parameters

• Mineral name: Pargasite
• Formula: Al1.47 Ca1.82 Fe0.08 H2 K0.48 Mg4.15 Na1.64 O24 Si7.24 Ti0.06
• Calculated formula: Al1.47 Ca1.82 Fe0.08 H2 K0.48 Mg4.15 Na1.64 O24 Si7.24 Ti0.06
• Title of publication: Al-Mg disorder in a gem-quality pargasite from Baffin Island, Nunavut, Canada
• Authors of publication: Tait, K. T.; Hawthorne, F. C.; Della Ventura, G.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2001
• Journal volume: 39
• Pages of publication: 1725 - 1732
• a: 9.8814 Å
• b: 17.967 Å
• c: 5.2927 Å
• α: 90°
• β: 105.263°
• γ: 90°
• Cell volume: 906.517 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