Citation: Camara, F.; Oberti, R.; Chopin, C.; Medenbach, O. (2006). The arrojadite enigma: I. A new formula and a new model for the arrojadite structure Sample: Rapid Creek, Yukon, Canada. American Mineralogist, 91, pp. 1249-1259.
Formula: Al Ca0.91 F0.03 Fe9.18 H2.97 K0.83 Mg2.8 Mn1.02 Na5.01 O50 P12 Sr0.01
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 F4 Fe52 H12 Mg16 Mn52 O200 P48 (Al F Fe13 H3 Mg4 Mn13 O50 P12)
Multiplicity: 1