Information card for entry 9000894

Structure parameters

• Mineral name: Fluororichterite
• Formula: Ca2 F2 K4 Mg5 Na2 O22 Si8
• Calculated formula: Ca2 F2 K4 Mg5 Na2 O22 Si8
• Title of publication: High temperature crystal chemistry of K and Na fluor-richterites Na fluor-richterite 400C
• Authors of publication: Cameron, M.; Sueno, S.; Papike, J. J.; Prewitt, C. T.
• Journal of publication: American Mineralogist
• Year of publication: 1983
• Journal volume: 68
• Pages of publication: 924 - 943
• a: 9.979 Å
• b: 18.036 Å
• c: 5.27 Å
• α: 90°
• β: 106.71°
• γ: 90°
• Cell volume: 908.448 ų
• Ambient diffraction temperature: 673.15 K
• Number of distinct elements: 7
• Space group number: 12
• Hermann-Mauguin space group symbol: I 1 2/m 1
• Hall space group symbol: -I 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No