Citation: Halenius, U.; Bosi, F. (2012). Cation ordering in Pb2+-bearing, Mn3+-rich pargasite from Langban, Sweden. American Mineralogist, 97, pp. 1635-1640.
Formula: Al1.898 Ca1.93 Fe0.05 H2 K0.06 Mg4.24 Mn0.57 Na1.8 O24 Pb0.134 Si6.372
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al18 Ca4 Fe4 H4 K4 Mg10 Mn14 Na4 O48 Pb4 Si16 (Al9 Ca2 Fe2 H2 K2 Mg5 Mn7 Na2 O24 Pb2 Si8)
Multiplicity: 1