Citation: Grice, J. D.; Nickel, E. H.; Gault, R. A. (1991). Ashburtonite, a new bicarbonate-silicate mineral from Ashburton Downs, Western Australia: Description and structure determination. American Mineralogist, 76, pp. 1701-1707.
Formula: C4 Cl Cu4 O28 Pb4 Si4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Cu8 O32 Pb8 Si8 (Cu O4 Pb Si)
Multiplicity: 1
Coordination sequences: