Citation: Kahlenberg, V.; Piotrowski, A.; Giester, G. (2000). Crystal structure of Na4[Cu4O2(SO4)4]*MeCl (Me: Na, Cu, vac) - the synthetic Na-analogue of piypite (caratiite) Locality; synthetic. Mineralogical Magazine, 64, pp. 1099-1108.
Formula: Cl Cu4.37 Na4.26 O18 S4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Cl4 Cu20 Na4 O72 S16 (Cl Cu5 Na O18 S4)
Multiplicity: 1
Coordination sequences: