Information card for entry 9003097

Structure parameters

• Mineral name: Richterite
• Formula: Al0.06 Ca1.12 Fe0.52 H2 K0.2 Mg4.46 Mn0.04 Na1.12 O24 Si7.96
• Calculated formula: Al0.06 Ca1.12 Fe0.52 H2 K0.2 Mg4.46 Mn0.04 Na1.12 O24 Si7.96
• Title of publication: Composition, Fe3+/Sum(Fe), and crystal structure of non-asbestiform and asbestiform amphiboles from Libby, Montana, U.S.A.
• Authors of publication: Gunter, M. E.; Dyar, M. D.; Twamley, B.; Foit, F. F.; Cornelius, S.
• Journal of publication: American Mineralogist
• Year of publication: 2003
• Journal volume: 88
• Pages of publication: 1970 - 1978
• a: 9.8787 Å
• b: 18.024 Å
• c: 5.2875 Å
• α: 90°
• β: 104.377°
• γ: 90°
• Cell volume: 911.975 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