Information card for entry 8104333

Structure parameters

• Chemical name: (K1.85 Na0.15) (Ca3.6 Fe0.4) (Si7 O18 (O H)) (O H)
• Formula: Ca3.6 Fe0.4 H2 K1.85 Na0.15 O20 Si7
• Calculated formula: Ca3.6 Fe0.4 H K1.85 Na0.15 O20 Si7
• Title of publication: The crystal structure of tokkoite and its relation to the structure of tinaksite
• Authors of publication: Rozhdestvenskaya, I.V.; Nikishova, L.V.; Lazebnik, Yu.D.; Lazebnik, K.A.
• Journal of publication: Zeitschrift fuer Kristallographie (149,1979-)
• Year of publication: 1989
• Journal volume: 189
• Pages of publication: 195 - 204
• a: 10.438 Å
• b: 12.511 Å
• c: 7.112 Å
• α: 89.92°
• β: 99.75°
• γ: 92.89°
• Cell volume: 914.152 ų
• Number of distinct elements: 7
• 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