Information card for entry 9017548

Structure parameters

• Mineral name: Ardennite-(As)
• Formula: Al4.314 As0.73 Ca1.26 Fe0.244 H6 Mg1.08 Mn3.102 O28 Si5.27
• Calculated formula: Al8.628 As1.46 Ca2.52 Fe0.488 H12 Mg2.16 Mn6.204 O56 Si10.54
• Title of publication: Ardennite, tiragalloite and medaite: structural control of (As5+,V5+,Si4+)O4 tetrahedra in silicates
• Authors of publication: Nagashima, M.; Armbruster, T.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2010
• Journal volume: 74
• Pages of publication: 55 - 71
• a: 8.7452 Å
• b: 5.8314 Å
• c: 18.5891 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 947.984 ų
• Number of distinct elements: 9
• Space group number: 59
• Hermann-Mauguin space group symbol: P n m m :2
• Hall space group symbol: -P 2c 2bc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No