Citation: Moore, P. B.; Araki, T. (1977). Samuelsonite: its crystal structure and relation to apatite and octacalcium phosphate. American Mineralogist, 62, pp. 229-245.
Formula: Al2 Ba0.42 Ca8.92 Fe0.82 H2 Mn1.8 Na1.02 O42 P10
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al4 Fe4 Mn4 Na8 O68 P16 (Al Fe Mn Na2 O17 P4)
Multiplicity: 1