Citation: Mumme, W.G.; Nickel, E.H. (1987). Crystal structure and crystal chemistry of perroudite: A mineral from Coppin Pool, Western Australia. American Mineralogist, 72, pp. 1257-1262.
Formula: Ag4.4 Br0.8 Cl2 Hg4.6 I1.6 S4.6
Chemical name: Hg4.6 Ag4.4 S4.6 (Cl2 Br.8 I1.6)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ag12 Br8 Cl12 Hg10 I4 S10 (Ag6 Br4 Cl6 Hg5 I2 S5)
Multiplicity: 1