Information card for entry 9003693

Structure parameters

• Mineral name: Richterite
• Formula: Ca1.02 H2 K0.954 Mg5 Na0.98 O24 Si8
• Calculated formula: Ca1.02 H2 K0.954 Mg5 Na0.98 O24 Si8
• Title of publication: X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites Sample: KGe0Ri, K in A site, Si100Ge0
• Authors of publication: Senda, K.; Ishida, K.; Jenkins, D. M.
• Journal of publication: American Mineralogist
• Year of publication: 2005
• Journal volume: 90
• Pages of publication: 1062 - 1071
• a: 10.0439 Å
• b: 17.9883 Å
• c: 5.2708 Å
• α: 90°
• β: 104.803°
• γ: 90°
• Cell volume: 920.683 ų
• Number of distinct elements: 7
• 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