Information card for entry 9010069

Structure parameters

• Mineral name: Arrojadite-(KNa)
• Formula: Al Ca0.91 F0.03 Fe9.18 H2.97 K0.83 Mg2.8 Mn1.02 Na5.01 O50 P12 Sr0.01
• Calculated formula: Al Ca0.91 F0.03 Fe9.18 H2.97 K0.83 Mg2.8 Mn1.02 Na5.01 O49.97 P12 Sr0.01
• Title of publication: The arrojadite enigma: I. A new formula and a new model for the arrojadite structure Sample: Rapid Creek, Yukon, Canada
• Authors of publication: Camara, F.; Oberti, R.; Chopin, C.; Medenbach, O.
• Journal of publication: American Mineralogist
• Year of publication: 2006
• Journal volume: 91
• Pages of publication: 1249 - 1259
• a: 16.552 Å
• b: 10.0529 Å
• c: 24.6477 Å
• α: 90°
• β: 106.509°
• γ: 90°
• Cell volume: 3932.19 ų
• Number of distinct elements: 12
• Space group number: 9
• Hermann-Mauguin space group symbol: C 1 c 1
• Hall space group symbol: C -2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No