Information card for entry 9001829

Structure parameters

• Mineral name: Richterite
• Formula: Ca0.94 Co5 Na3.06 O24 Si8
• Calculated formula: Ca0.94 Co5 Na3.06 O24 Si8
• Title of publication: Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite Sample: Co100
• Authors of publication: Della Ventura, G.; Robert, J.-L.; Raudsepp, M.; Hawthorne, F. C.; Welch, M. D.
• Journal of publication: American Mineralogist
• Year of publication: 1997
• Journal volume: 82
• Pages of publication: 291 - 301
• a: 9.9724 Å
• b: 18.069 Å
• c: 5.2775 Å
• α: 90°
• β: 104.261°
• γ: 90°
• Cell volume: 921.654 ų
• Number of distinct elements: 5
• 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