Information card for entry 9005533

Structure parameters

• Mineral name: Potassic-ferri-ferrorichterite
• Formula: Ca0.55 Fe5.06 H2 K Na1.39 O24 Si8
• Calculated formula: Ca0.55 Fe5.06 H2 K Na1.39 O24 Si8
• Title of publication: Crystal structure and Mossbauer spectroscopy of the synthetic amphibole potassic-ferri-ferrorichterite at 298 K and low temperatures (80-110 K) Sample: Ri1, T = 298 K
• Authors of publication: Redhammer, G. J.; Roth, G.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2002
• Journal volume: 14
• Pages of publication: 105 - 114
• a: 10.1448 Å
• b: 18.1841 Å
• c: 5.2962 Å
• α: 90°
• β: 104.415°
• γ: 90°
• Cell volume: 946.253 ų
• Ambient diffraction temperature: 298 K
• 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