Information card for entry 9003696

Structure parameters

• Mineral name: Richterite
• Formula: Ca0.98 Ge4.12 H2 Mg5 Na1.47 O24 Si3.88
• Calculated formula: Ca0.98 Ge4.12 H2 Mg5 Na1.47 O24 Si3.88
• Title of publication: X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites Sample: Ge4Ri, Si48Ge52
• 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: 10.1237 Å
• b: 18.147 Å
• c: 5.3386 Å
• α: 90°
• β: 105.067°
• γ: 90°
• Cell volume: 947.063 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