Information card for entry 1538850

Structure parameters

• Chemical name: (Na0.45 K0.38) (Ca1.74 Na0.2 Fe0.06) (Mg1.72 Fe2.96 Al0.32) (Si6.44 Al1.56 O22) (O H)1.16 F0.28 Cl0.56
• Formula: Al1.88 Ca1.74 Cl0.56 F0.28 Fe3.02 H1.16 K0.38 Mg1.72 Na0.65 O23.16 Si6.44
• Calculated formula: Al1.88 Ca1.74 Cl0.56 F0.28 Fe3.02 K0.38 Mg1.72 Na0.65 O23.16 Si6.44
• Title of publication: The mechanism of Cl incorporation in amphibole
• Authors of publication: Oberti, R.; Ungaretti, L.; Hawthorne, F.C.; Cannillo, E.
• Journal of publication: American Mineralogist
• Year of publication: 1993
• Journal volume: 78
• Pages of publication: 746 - 752
• a: 9.884 Å
• b: 18.1429 Å
• c: 5.332 Å
• α: 90°
• β: 104.86°
• γ: 90°
• Cell volume: 924.179 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