Information card for entry 9003695

Structure parameters

• Mineral name: Richterite
• Formula: Ca0.9 Ge2.04 H2 Mg5 Na1.54 O24 Si5.96
• Calculated formula: Ca0.9 Ge2.04 H2 Mg5 Na1.54 O24 Si5.96
• Title of publication: X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites Sample: Ge2Ri, Si74Ge26
• 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: 10.0144 Å
• b: 18.071 Å
• c: 5.3058 Å
• α: 90°
• β: 104.625°
• γ: 90°
• Cell volume: 929.081 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