Information card for entry 1534003

Structure parameters

• Chemical name: K (Na Mg2) (Si4 O10 F2)
• Formula: F2 K Mg2 Na O10 Si4
• Calculated formula: F2 K Mg2 Na O10 Si4
• Title of publication: Shirokshinite, K (Na Mg2) Si4 O10 F, a new mica with octahedral Na from Khibiny massif, Kola peninsula: descriptive data and structural disorder
• Authors of publication: Pekov, I.V.; Ferraris, G.; Chukanov, N.V.; Ivaldi, G.; Zadov, A.E.; Pushcharovskii, D.Yu.
• Journal of publication: European Journal of Mineralogy (1,1989-)
• Year of publication: 2003
• Journal volume: 15
• Pages of publication: 447 - 454
• a: 5.269 Å
• b: 9.092 Å
• c: 10.197 Å
• α: 90°
• β: 100.12°
• γ: 90°
• Cell volume: 480.895 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