Citation: Cocco, G.; Fanfani, L.; Zanazzi, P. F. (1967). The crystal structure of fornacite. Zeitschrift fur Kristallographie, 124, pp. 385-397.
Formula: As0.925 Cr Cu H O9 P0.075 Pb2
List type: noninterleaving
List: 2D
Basis: (1;0;0.5 0;1;0)
Dimensionality: 2
Formula: As4 Cr4 Cu4 O36 P4 Pb8 (As Cr Cu O9 P Pb2)