Information card for entry 9003567

Structure parameters

• Mineral name: Shafranovskite
• Formula: H35.72 K5.7 Mn10.86 Na9 O87.72 Si26.72
• Calculated formula: H35.72 K5.7 Mn10.86 Na9 O87.72 Si26.72
• Title of publication: Synchrotron X-ray diffraction study of the structure of shafranovskite, K2Na3(Mn,Fe,Na)4[Si9(O,OH)27].nH2O, a rare manganese silicate from Kola peninsula, Russia
• Authors of publication: Krivovichev, S. V.; Yakovenchuk, V. N.; Armbruster, T.; Pakhomovsky, Y. A.; Weber, H.-P.; Depmeier, W.
• Journal of publication: American Mineralogist
• Year of publication: 2004
• Journal volume: 89
• Pages of publication: 1816 - 1821
• a: 14.519 Å
• b: 14.519 Å
• c: 21.062 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 3845.06 ų
• Number of distinct elements: 6
• Space group number: 159
• Hermann-Mauguin space group symbol: P 3 1 c
• Hall space group symbol: P 3 -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No