Citation: Hybler, J.; Durovic, S.; Fabry, J.; Petricek, V. (2002). Refinement of the crystal structure of cronstedtite - 2H2. Clays and Clay Minerals (29,1981-), 50, pp. 601-613.
Formula: Fe3.56 H4 O9 Si1.44
Chemical name: Fe3 (Si1.44 Fe0.56) O5 (O H)4
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Fe8 H3 O9 Si2 (Fe8 H3 O9 Si2)
Multiplicity: 1