Information card for entry 1541692

Structure parameters

• Chemical name: (Na0.38 K0.12 Ca1.8) Mg4.94 Fe0.06 ((Al0.2 Si7.8) O22) (O H)1.34 F0.66
• Formula: Al0.2 Ca1.8 F0.66 Fe0.06 H1.34 K0.12 Mg4.94 Na0.38 O23.34 Si7.8
• Calculated formula: Al0.2 Ca1.8 F0.66 Fe0.06 H1.34 K0.12 Mg4.94 Na0.38 O23.34 Si7.8
• Title of publication: The crystal chemistry of the amphiboles: IV. X-Ray and neutron refinements of the crystal structure of tremolite
• Authors of publication: Hawthorne, F.C.; Grundy, H.D.
• Journal of publication: Canadian Mineralogist
• Year of publication: 1976
• Journal volume: 14
• Pages of publication: 334 - 345
• a: 9.863 Å
• b: 18.048 Å
• c: 5.285 Å
• α: 90°
• β: 104.79°
• γ: 90°
• Cell volume: 909.6 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