Information card for entry 1537854

Structure parameters

• Chemical name: (Na4 K2 Cl2) (Ca2 Cl2) (Si6 Al6 O24)
• Formula: Al6 Ca2 Cl4 K2 Na4 O24 Si6
• Calculated formula: Al6 Ca2 Cl4.002 K1.998 Na3.996 O24 Si6
• Title of publication: Quadridavyne, ((Na, K)6 Cl2) (Ca2 Cl2) (Si6 Al6 O24), a new feldspathoid mineral from Vesuvius area
• Authors of publication: Bonaccorsi, E.; Merlino, S.; Orlandi, P.; Pasero, M.; Vezzalini, G.
• Journal of publication: European Journal of Mineralogy (1,1989-)
• Year of publication: 1994
• Journal volume: 6
• Pages of publication: 481 - 487
• a: 12.886 Å
• b: 12.886 Å
• c: 5.371 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 772.364 ų
• Number of distinct elements: 7
• Space group number: 176
• Hermann-Mauguin space group symbol: P 63/m
• Hall space group symbol: -P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No