Information card for entry 9004728

Structure parameters

• Mineral name: Niobokupletskite
• Formula: H4 K1.78 Mn5.65 Na0.63 Nb1.8 O30.5 Rb0.13 Si8 Ti0.2 Zn0.67
• Calculated formula: K1.78 Mn5.65 Na0.63 Nb1.8 O30.5 Rb0.13 Si8 Ti0.2 Zn0.67
• Title of publication: Insights into astrophyllite-group minerals II: Crystal chemistry Sample: MSH42 Locality: nepheline syenite pegmatite at Mont Saint-Hilaire, Quebec, Canada
• Authors of publication: Piilonen, P. C.; McDonald, A. M.; Lalonde, A. E.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2003
• Journal volume: 41
• Pages of publication: 27 - 54
• a: 5.4303 Å
• b: 11.924 Å
• c: 11.747 Å
• α: 112.927°
• β: 94.75°
• γ: 103.175°
• Cell volume: 669.497 ų
• Number of distinct elements: 10
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No