Citation: Fang, J. H.; Robinson, P. D.; Ohya, Y. (1972). Redetermination of the crystal structure of eudidymite and its dimorphic relationship to epididymite. American Mineralogist, 57, pp. 1345-1354.
Formula: Be H Na O8 Si3
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: O30 Si12 (O5 Si2)
Multiplicity: 1