Information card for entry 9008397

Structure parameters

• Mineral name: Tokkoite
• Formula: Ca3.43 F0.61 Fe0.15 H1.39 K1.85 Mg0.06 Mn0.08 Na0.15 O19.39 Si7 Ti0.13
• Calculated formula: Ca3.43 F0.61 Fe0.15 H1.39 K1.85 Mg0.06 Mn0.08 Na0.15 O19.39 Si7 Ti0.13
• Title of publication: The crystal structure of tokkoite and its relation to the structure of tinaksite Locality: Murun massif, southwestern Yakutia, Russia Note: anisotropic temperature factors taken from ICSD
• Authors of publication: Rozhdestvenskaya, I. V.; Nikishova, L. V.; Lazebnik Yu, D.; Lazebnik, K. A.
• Journal of publication: Zeitschrift fur Kristallographie
• 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: 11
• 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