Citation: Steele, I. M. (2002). Arrojadite: variations in space group and composition based on four new refinements Sample: arropala. General Meeting of the International Mineralogical Association, 18, pp. MO2-117.
Formula: Al Ba0.06 Ca0.23 Fe11.69 K0.68 Mg1.85 Na4.459 O50 P12 Sr0.23
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 Ba4 Ca4 Fe56 K8 Mg52 O200 P48 Sr4 (Al Ba Ca Fe14 K2 Mg13 O50 P12 Sr)
Multiplicity: 1