Information card for entry 1521765

Structure parameters

• Chemical name: (K1.78 Rb0.13) Na0.9 (Na0.18 Mn5.98 Zn0.84) (Nb1.8 Ti0.2) (Si8 O26) (O H)4 O
• Formula: H4 K1.78 Mn5.98 Na1.08 Nb1.8 O31 Rb0.13 Si8 Ti0.2 Zn0.84
• Calculated formula: K1.78 Mn5.98 Na1.08 Nb1.8 O31 Rb0.13 Si8 Ti0.2 Zn0.84
• Title of publication: Niobokupletskite, a new astrophyllite-group mineral from Mont Saint-Hilaire, Quebec, Canada : description and crystal structure
• Authors of publication: Piilonen, P.C.; Lalonde, A.E.; McDonald, A.M.; Gault, R.A.
• Journal of publication: Canadian Mineralogist
• Year of publication: 2000
• Journal volume: 38
• Pages of publication: 627 - 639
• 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