Citation: Lin, J. C.; Guggenheim, S. (1983). The crystal structure of a Li,Be-rich brittle mica: a dioctahedral-trioctahedral intermediate. American Mineralogist, 68, pp. 130-142.
Formula: Al3.68 Be0.58 Ca H2 Li0.5 O12 Si1.74
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 Be6 O24 Si6 (Al2 Be O4 Si)
Multiplicity: 1