Information card for entry 9002155

Structure parameters

• Mineral name: Richterite
• Formula: Ca H2 K3 Mg5 O24 Si8
• Calculated formula: Ca H2 K3 Mg5 O24 Si8
• Title of publication: Single-crystal structure refinement of synthetic K-substituted potassic richterite, K(KCa)Mg5Si8O22(OH)2
• Authors of publication: Yang, H.; Konzett, J.; Prewitt, C. T.; Fei, Y.
• Journal of publication: American Mineralogist
• Year of publication: 1999
• Journal volume: 84
• Pages of publication: 681 - 684
• a: 10.1926 Å
• b: 18.1209 Å
• c: 5.2736 Å
• α: 90°
• β: 105.514°
• γ: 90°
• Cell volume: 938.54 ų
• Number of distinct elements: 6
• 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