Information card for entry 9001770

Structure parameters

• Mineral name: Pargasite
• Formula: Al2.32 Ca2.25 F1.54 Fe0.2 H2 K0.65 Mg4.32 Na0.75 O22.46 Si6.12 Ti0.04
• Calculated formula: Al2.32 Ca2.25 F1.54 Fe0.2 H2 K0.65 Mg4.32 Na0.75 O22.46 Si6.12 Ti0.04
• Title of publication: A new hyper-calcic amphibole with Ca at the A site: Fluor-cannilloite from Pargas, Finland Sample: BMS
• Authors of publication: Hawthorne, F. C.; Oberti, R.; Ungaretti, L.; Grice, J. D.
• Journal of publication: American Mineralogist
• Year of publication: 1996
• Journal volume: 81
• Pages of publication: 995 - 1002
• a: 9.889 Å
• b: 17.978 Å
• c: 5.298 Å
• α: 90°
• β: 105.41°
• γ: 90°
• Cell volume: 908.04 ų
• Number of distinct elements: 11
• 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