Citation: Slade, P. G.; Schultz, P. K.; Dean, C. (1987). Refinement of the ephesite structure in C1 symmetry Note: polytype 2M1. Neues Jahrbuch fur Mineralogie, Monatshefte, 1987, pp. 275-287.
Formula: Al4 H2 Li Na O12 Si2
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 H4 O24 Si8 (Al3 H O6 Si2)
Multiplicity: 1