Citation: Ribbe, P. H.; Gibbs, G. V.; Hamil, M. (1977). A refinement of the structure of dioptase, Cu6[Si6O18]*6H2O Note: sample is from Reneville, Congo. American Mineralogist, 62, pp. 807-811.
Formula: Cu H2 O4 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Cu18 H36 O72 Si18 (Cu H2 O4 Si)
Multiplicity: 1