Citation: Galy, J.; Jaud, J.; Pulou, R.; Sempere, R. (1984). Structure cristalline de la langite, Cu4[SO4(OH)6H2O]*H2O Locality: Mazega, Aveyrone, France. Bulletin de Mineralogie, 107, pp. 641-648.
Formula: Cu4 H10 O12 S
List type: noninterleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: Cu8 O22 S2 (Cu4 O11 S)
Multiplicity: 1