Information card for entry 9005101

Structure parameters

• Mineral name: Richterite
• Formula: Al0.077 Ca1.053 Fe0.323 H2 K0.969 Mg4.641 Mn0.005 Na0.919 O24 Si7.565 Ti0.388
• Calculated formula: Al0.0768 Ca1.053 Fe0.323 H4 K0.969 Mg4.6415 Mn0.005 Na0.919 O26 Si7.5648 Ti0.3876
• Title of publication: The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite Sample: R(12) Potassium-fluor-richterite Note: z-coordinate of O2 corrected
• Authors of publication: Oberti, R.; Ungaretti, L.; Cannillo, E.; Hawthorne, F. C.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 1992
• Journal volume: 4
• Pages of publication: 425 - 439
• a: 10.028 Å
• b: 18.039 Å
• c: 5.289 Å
• α: 90°
• β: 105.04°
• γ: 90°
• Cell volume: 923.98 ų
• Number of distinct elements: 11
• 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