Information card for entry 1541228

Structure parameters

• Chemical name: Na6 K2 (Al6 Si6 O24) (S O4) (H2 O)2
• Formula: Al6 H4 K2 Na6 O30 S Si6
• Calculated formula: Al6 K2 Na6 O29.9996 S Si6
• Title of publication: Pitiglianoite, a new feldspathoid from southern Tuscany, Italy: Chemical composition and crystal structure
• Authors of publication: Merlino, S.; Leoni, L.; Bonaccorsi, E.; Pasero, M.; Mellini, M.; Orlandi, P.
• Journal of publication: American Mineralogist
• Year of publication: 1991
• Journal volume: 76
• Pages of publication: 2003 - 2008
• a: 22.121 Å
• b: 22.121 Å
• c: 5.221 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 2212.55 ų
• Number of distinct elements: 7
• Space group number: 173
• Hermann-Mauguin space group symbol: P 63
• Hall space group symbol: P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No