Citation: Steele, I. M.; Pluth, J. J.; Livingstone, A. (2000). Crystal structure of mattheddleite: a Pb, S, Si phase with the apatite structure Locality: Leadhills, Scotland. Mineralogical Magazine, 64, pp. 915-921.
Formula: Cl0.57 H0.43 O12.43 Pb5 S1.5 Si1.5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O24 Pb16 S6 Si6 (O12 Pb8 S3 Si3)
Multiplicity: 1