Information card for entry 1556974

Structure parameters

• Common name: Ca10(Si2O7)2(SiO4)(OH1.13F0.87)(Cl1.96OH0.04)
• Mineral name: rustumite
• Formula: Ca10 Cl1.96 F0.87 H1.17 O19.17 Si5
• Calculated formula: Ca10 Cl2 F0.88 H1.12 O19.12 Si5
• Title of publication: Crystal chemistry and hydrogen bonding of rustumite Ca10(Si2O7)2(SiO4)(OH)2Cl2 with variable OH, Cl, F : F-bearing rustumite from Upper Chegem Caldera, Russia
• Authors of publication: Gfeller, F.; Armbruster, T.; Galuskin, E.V.; Galuskina, I.O.; Lazic, B.; Savelyeva, V.B.; Zadov, A.E.; Dzierzanowski, P.; Gazeev, V.M.
• Journal of publication: American Mineralogist
• Year of publication: 2013
• Journal volume: 98
• Pages of publication: 493 - 500
• a: 7.641 ± 0.005 Å
• b: 18.559 ± 0.005 Å
• c: 15.537 ± 0.005 Å
• α: 90°
• β: 104.21 ± 0.005°
• γ: 90°
• Cell volume: 2135.9 ± 1.7 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 6
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No